Home / 18,432.72-27,581.04-11,042.40

Finding the Fourth Proportional to 18,432.72, 27,581.04 and 11,042.40

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Solution

The fourth proportional to 18,432.72, 27,581.04 and 11,042.40 is: 16,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.72 : 27,581.04 = 11,042.40 : x
  2. Step 2: Convert to fraction form
    18,432.72/27,581.04 = 11,042.40/x
  3. Step 3: Cross multiply
    18,432.72x = 27,581.04 × 11,042.40
  4. Step 4: Simplify right side
    18,432.72x = 304,560,876.10
  5. Step 5: Solve for x
    x = 304,560,876.10/18,432.72
  6. Step 6: Final answer
    x = 16,522.84

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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.