Home / 10,501.20-14,486.40-9,750.84

Finding the Fourth Proportional to 10,501.20, 14,486.40 and 9,750.84

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Solution

The fourth proportional to 10,501.20, 14,486.40 and 9,750.84 is: 13,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.20 : 14,486.40 = 9,750.84 : x
  2. Step 2: Convert to fraction form
    10,501.20/14,486.40 = 9,750.84/x
  3. Step 3: Cross multiply
    10,501.20x = 14,486.40 × 9,750.84
  4. Step 4: Simplify right side
    10,501.20x = 141,254,568.58
  5. Step 5: Solve for x
    x = 141,254,568.58/10,501.20
  6. Step 6: Final answer
    x = 13,451.28

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Half scale
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Double scale
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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.