Home / 15,616.68-21,514.86-10,892.76

Finding the Fourth Proportional to 15,616.68, 21,514.86 and 10,892.76

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Solution

The fourth proportional to 15,616.68, 21,514.86 and 10,892.76 is: 15,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.68 : 21,514.86 = 10,892.76 : x
  2. Step 2: Convert to fraction form
    15,616.68/21,514.86 = 10,892.76/x
  3. Step 3: Cross multiply
    15,616.68x = 21,514.86 × 10,892.76
  4. Step 4: Simplify right side
    15,616.68x = 234,356,206.41
  5. Step 5: Solve for x
    x = 234,356,206.41/15,616.68
  6. Step 6: Final answer
    x = 15,006.79

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Half scale
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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.