Home / 16,987.52-23,439.17-9,910.76

Finding the Fourth Proportional to 16,987.52, 23,439.17 and 9,910.76

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Solution

The fourth proportional to 16,987.52, 23,439.17 and 9,910.76 is: 13,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.52 : 23,439.17 = 9,910.76 : x
  2. Step 2: Convert to fraction form
    16,987.52/23,439.17 = 9,910.76/x
  3. Step 3: Cross multiply
    16,987.52x = 23,439.17 × 9,910.76
  4. Step 4: Simplify right side
    16,987.52x = 232,299,896.05
  5. Step 5: Solve for x
    x = 232,299,896.05/16,987.52
  6. Step 6: Final answer
    x = 13,674.74

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Half scale
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Double 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.