Home / 9,149.81-13,715.28-3,600.90

Finding the Fourth Proportional to 9,149.81, 13,715.28 and 3,600.90

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Solution

The fourth proportional to 9,149.81, 13,715.28 and 3,600.90 is: 5,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.81 : 13,715.28 = 3,600.90 : x
  2. Step 2: Convert to fraction form
    9,149.81/13,715.28 = 3,600.90/x
  3. Step 3: Cross multiply
    9,149.81x = 13,715.28 × 3,600.90
  4. Step 4: Simplify right side
    9,149.81x = 49,387,351.75
  5. Step 5: Solve for x
    x = 49,387,351.75/9,149.81
  6. Step 6: Final answer
    x = 5,397.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.