Home / 11,247.44-15,515.43-8,590.10

Finding the Fourth Proportional to 11,247.44, 15,515.43 and 8,590.10

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Solution

The fourth proportional to 11,247.44, 15,515.43 and 8,590.10 is: 11,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.44 : 15,515.43 = 8,590.10 : x
  2. Step 2: Convert to fraction form
    11,247.44/15,515.43 = 8,590.10/x
  3. Step 3: Cross multiply
    11,247.44x = 15,515.43 × 8,590.10
  4. Step 4: Simplify right side
    11,247.44x = 133,279,095.24
  5. Step 5: Solve for x
    x = 133,279,095.24/11,247.44
  6. Step 6: Final answer
    x = 11,849.73

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Half scale
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Double scale
Find fourth proportional to 11,248.44, 15,516.81 and 8,591.10
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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.