Home / 11,044.08-15,207.21-8,663.76

Finding the Fourth Proportional to 11,044.08, 15,207.21 and 8,663.76

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Solution

The fourth proportional to 11,044.08, 15,207.21 and 8,663.76 is: 11,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,044.08 : 15,207.21 = 8,663.76 : x
  2. Step 2: Convert to fraction form
    11,044.08/15,207.21 = 8,663.76/x
  3. Step 3: Cross multiply
    11,044.08x = 15,207.21 × 8,663.76
  4. Step 4: Simplify right side
    11,044.08x = 131,751,617.71
  5. Step 5: Solve for x
    x = 131,751,617.71/11,044.08
  6. Step 6: Final answer
    x = 11,929.61

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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.