Home / 10,976.88-15,151.14-6,502.17

Finding the Fourth Proportional to 10,976.88, 15,151.14 and 6,502.17

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Solution

The fourth proportional to 10,976.88, 15,151.14 and 6,502.17 is: 8,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.88 : 15,151.14 = 6,502.17 : x
  2. Step 2: Convert to fraction form
    10,976.88/15,151.14 = 6,502.17/x
  3. Step 3: Cross multiply
    10,976.88x = 15,151.14 × 6,502.17
  4. Step 4: Simplify right side
    10,976.88x = 98,515,287.97
  5. Step 5: Solve for x
    x = 98,515,287.97/10,976.88
  6. Step 6: Final answer
    x = 8,974.80

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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.