Home / 15,732.48-21,710.97-8,659.04

Finding the Fourth Proportional to 15,732.48, 21,710.97 and 8,659.04

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Solution

The fourth proportional to 15,732.48, 21,710.97 and 8,659.04 is: 11,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732.48 : 21,710.97 = 8,659.04 : x
  2. Step 2: Convert to fraction form
    15,732.48/21,710.97 = 8,659.04/x
  3. Step 3: Cross multiply
    15,732.48x = 21,710.97 × 8,659.04
  4. Step 4: Simplify right side
    15,732.48x = 187,996,211.95
  5. Step 5: Solve for x
    x = 187,996,211.95/15,732.48
  6. Step 6: Final answer
    x = 11,949.56

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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.