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Finding the Fourth Proportional to 11,750.40, 16,211.08 and 7,501.62

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Solution

The fourth proportional to 11,750.40, 16,211.08 and 7,501.62 is: 10,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.40 : 16,211.08 = 7,501.62 : x
  2. Step 2: Convert to fraction form
    11,750.40/16,211.08 = 7,501.62/x
  3. Step 3: Cross multiply
    11,750.40x = 16,211.08 × 7,501.62
  4. Step 4: Simplify right side
    11,750.40x = 121,609,361.95
  5. Step 5: Solve for x
    x = 121,609,361.95/11,750.40
  6. Step 6: Final answer
    x = 10,349.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 11,751.40, 16,212.46 and 7,502.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.