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Finding the Fourth Proportional to 22,609.65, 33,887.28 and 8,366.76

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Solution

The fourth proportional to 22,609.65, 33,887.28 and 8,366.76 is: 12,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.65 : 33,887.28 = 8,366.76 : x
  2. Step 2: Convert to fraction form
    22,609.65/33,887.28 = 8,366.76/x
  3. Step 3: Cross multiply
    22,609.65x = 33,887.28 × 8,366.76
  4. Step 4: Simplify right side
    22,609.65x = 283,526,738.81
  5. Step 5: Solve for x
    x = 283,526,738.81/22,609.65
  6. Step 6: Final answer
    x = 12,540.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.