Home / 10,998.30-16,497.45-10,460.70

Finding the Fourth Proportional to 10,998.30, 16,497.45 and 10,460.70

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Solution

The fourth proportional to 10,998.30, 16,497.45 and 10,460.70 is: 15,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.30 : 16,497.45 = 10,460.70 : x
  2. Step 2: Convert to fraction form
    10,998.30/16,497.45 = 10,460.70/x
  3. Step 3: Cross multiply
    10,998.30x = 16,497.45 × 10,460.70
  4. Step 4: Simplify right side
    10,998.30x = 172,574,875.22
  5. Step 5: Solve for x
    x = 172,574,875.22/10,998.30
  6. Step 6: Final answer
    x = 15,691.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.