Home / 20,484.30-30,726.45-7,337.10

Finding the Fourth Proportional to 20,484.30, 30,726.45 and 7,337.10

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Solution

The fourth proportional to 20,484.30, 30,726.45 and 7,337.10 is: 11,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.30 : 30,726.45 = 7,337.10 : x
  2. Step 2: Convert to fraction form
    20,484.30/30,726.45 = 7,337.10/x
  3. Step 3: Cross multiply
    20,484.30x = 30,726.45 × 7,337.10
  4. Step 4: Simplify right side
    20,484.30x = 225,443,036.30
  5. Step 5: Solve for x
    x = 225,443,036.30/20,484.30
  6. Step 6: Final answer
    x = 11,005.65

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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.