Home / 10,996.57-15,177.30-6,280.85

Finding the Fourth Proportional to 10,996.57, 15,177.30 and 6,280.85

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Solution

The fourth proportional to 10,996.57, 15,177.30 and 6,280.85 is: 8,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.57 : 15,177.30 = 6,280.85 : x
  2. Step 2: Convert to fraction form
    10,996.57/15,177.30 = 6,280.85/x
  3. Step 3: Cross multiply
    10,996.57x = 15,177.30 × 6,280.85
  4. Step 4: Simplify right side
    10,996.57x = 95,326,313.30
  5. Step 5: Solve for x
    x = 95,326,313.30/10,996.57
  6. Step 6: Final answer
    x = 8,668.73

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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.