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Finding the Fourth Proportional to 22,444.92, 33,656.13 and 7,648.65

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Solution

The fourth proportional to 22,444.92, 33,656.13 and 7,648.65 is: 11,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.92 : 33,656.13 = 7,648.65 : x
  2. Step 2: Convert to fraction form
    22,444.92/33,656.13 = 7,648.65/x
  3. Step 3: Cross multiply
    22,444.92x = 33,656.13 × 7,648.65
  4. Step 4: Simplify right side
    22,444.92x = 257,423,958.72
  5. Step 5: Solve for x
    x = 257,423,958.72/22,444.92
  6. Step 6: Final answer
    x = 11,469.14

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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.