Home / 17,721.25-24,454.36-9,762.85

Finding the Fourth Proportional to 17,721.25, 24,454.36 and 9,762.85

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Solution

The fourth proportional to 17,721.25, 24,454.36 and 9,762.85 is: 13,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.25 : 24,454.36 = 9,762.85 : x
  2. Step 2: Convert to fraction form
    17,721.25/24,454.36 = 9,762.85/x
  3. Step 3: Cross multiply
    17,721.25x = 24,454.36 × 9,762.85
  4. Step 4: Simplify right side
    17,721.25x = 238,744,098.83
  5. Step 5: Solve for x
    x = 238,744,098.83/17,721.25
  6. Step 6: Final answer
    x = 13,472.19

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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.