Home / 11,109.15-15,330.18-6,073.55

Finding the Fourth Proportional to 11,109.15, 15,330.18 and 6,073.55

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Solution

The fourth proportional to 11,109.15, 15,330.18 and 6,073.55 is: 8,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.15 : 15,330.18 = 6,073.55 : x
  2. Step 2: Convert to fraction form
    11,109.15/15,330.18 = 6,073.55/x
  3. Step 3: Cross multiply
    11,109.15x = 15,330.18 × 6,073.55
  4. Step 4: Simplify right side
    11,109.15x = 93,108,538.09
  5. Step 5: Solve for x
    x = 93,108,538.09/11,109.15
  6. Step 6: Final answer
    x = 8,381.25

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Half scale
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Double scale
Find fourth proportional to 11,110.15, 15,331.56 and 6,074.55
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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.