Home / 10,520.31-14,523.29-6,542.71

Finding the Fourth Proportional to 10,520.31, 14,523.29 and 6,542.71

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Solution

The fourth proportional to 10,520.31, 14,523.29 and 6,542.71 is: 9,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.31 : 14,523.29 = 6,542.71 : x
  2. Step 2: Convert to fraction form
    10,520.31/14,523.29 = 6,542.71/x
  3. Step 3: Cross multiply
    10,520.31x = 14,523.29 × 6,542.71
  4. Step 4: Simplify right side
    10,520.31x = 95,021,654.76
  5. Step 5: Solve for x
    x = 95,021,654.76/10,520.31
  6. Step 6: Final answer
    x = 9,032.21

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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.