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Finding the Fourth Proportional to 22,081, 30,473.10 and 12,521.26

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Solution

The fourth proportional to 22,081, 30,473.10 and 12,521.26 is: 17,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081 : 30,473.10 = 12,521.26 : x
  2. Step 2: Convert to fraction form
    22,081/30,473.10 = 12,521.26/x
  3. Step 3: Cross multiply
    22,081x = 30,473.10 × 12,521.26
  4. Step 4: Simplify right side
    22,081x = 381,561,608.11
  5. Step 5: Solve for x
    x = 381,561,608.11/22,081
  6. Step 6: Final answer
    x = 17,280.09

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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.