Home / 10,996.29-15,174.05-6,279.93

Finding the Fourth Proportional to 10,996.29, 15,174.05 and 6,279.93

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Solution

The fourth proportional to 10,996.29, 15,174.05 and 6,279.93 is: 8,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.29 : 15,174.05 = 6,279.93 : x
  2. Step 2: Convert to fraction form
    10,996.29/15,174.05 = 6,279.93/x
  3. Step 3: Cross multiply
    10,996.29x = 15,174.05 × 6,279.93
  4. Step 4: Simplify right side
    10,996.29x = 95,291,940.42
  5. Step 5: Solve for x
    x = 95,291,940.42/10,996.29
  6. Step 6: Final answer
    x = 8,665.83

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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.