Home / 17,720.28-24,454.17-9,762.79

Finding the Fourth Proportional to 17,720.28, 24,454.17 and 9,762.79

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Solution

The fourth proportional to 17,720.28, 24,454.17 and 9,762.79 is: 13,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.28 : 24,454.17 = 9,762.79 : x
  2. Step 2: Convert to fraction form
    17,720.28/24,454.17 = 9,762.79/x
  3. Step 3: Cross multiply
    17,720.28x = 24,454.17 × 9,762.79
  4. Step 4: Simplify right side
    17,720.28x = 238,740,755.25
  5. Step 5: Solve for x
    x = 238,740,755.25/17,720.28
  6. Step 6: Final answer
    x = 13,472.75

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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.