Home / 10,998.20-16,497.30-3,100.71

Finding the Fourth Proportional to 10,998.20, 16,497.30 and 3,100.71

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Solution

The fourth proportional to 10,998.20, 16,497.30 and 3,100.71 is: 4,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.20 : 16,497.30 = 3,100.71 : x
  2. Step 2: Convert to fraction form
    10,998.20/16,497.30 = 3,100.71/x
  3. Step 3: Cross multiply
    10,998.20x = 16,497.30 × 3,100.71
  4. Step 4: Simplify right side
    10,998.20x = 51,153,343.08
  5. Step 5: Solve for x
    x = 51,153,343.08/10,998.20
  6. Step 6: Final answer
    x = 4,651.07

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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.