Home / 11,062.28-15,220.68-9,565.40

Finding the Fourth Proportional to 11,062.28, 15,220.68 and 9,565.40

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Solution

The fourth proportional to 11,062.28, 15,220.68 and 9,565.40 is: 13,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.28 : 15,220.68 = 9,565.40 : x
  2. Step 2: Convert to fraction form
    11,062.28/15,220.68 = 9,565.40/x
  3. Step 3: Cross multiply
    11,062.28x = 15,220.68 × 9,565.40
  4. Step 4: Simplify right side
    11,062.28x = 145,591,892.47
  5. Step 5: Solve for x
    x = 145,591,892.47/11,062.28
  6. Step 6: Final answer
    x = 13,161.11

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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.