Home / 10,332.88-14,152.18-9,726.74

Finding the Fourth Proportional to 10,332.88, 14,152.18 and 9,726.74

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Solution

The fourth proportional to 10,332.88, 14,152.18 and 9,726.74 is: 13,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.88 : 14,152.18 = 9,726.74 : x
  2. Step 2: Convert to fraction form
    10,332.88/14,152.18 = 9,726.74/x
  3. Step 3: Cross multiply
    10,332.88x = 14,152.18 × 9,726.74
  4. Step 4: Simplify right side
    10,332.88x = 137,654,575.29
  5. Step 5: Solve for x
    x = 137,654,575.29/10,332.88
  6. Step 6: Final answer
    x = 13,321.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.