Home / 12,020.07-16,593.52-8,442.62

Finding the Fourth Proportional to 12,020.07, 16,593.52 and 8,442.62

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Solution

The fourth proportional to 12,020.07, 16,593.52 and 8,442.62 is: 11,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.07 : 16,593.52 = 8,442.62 : x
  2. Step 2: Convert to fraction form
    12,020.07/16,593.52 = 8,442.62/x
  3. Step 3: Cross multiply
    12,020.07x = 16,593.52 × 8,442.62
  4. Step 4: Simplify right side
    12,020.07x = 140,092,746.34
  5. Step 5: Solve for x
    x = 140,092,746.34/12,020.07
  6. Step 6: Final answer
    x = 11,654.90

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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.