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Finding the Fourth Proportional to 18,337.62, 27,483.75 and 10,446.75

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Solution

The fourth proportional to 18,337.62, 27,483.75 and 10,446.75 is: 15,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.62 : 27,483.75 = 10,446.75 : x
  2. Step 2: Convert to fraction form
    18,337.62/27,483.75 = 10,446.75/x
  3. Step 3: Cross multiply
    18,337.62x = 27,483.75 × 10,446.75
  4. Step 4: Simplify right side
    18,337.62x = 287,115,865.31
  5. Step 5: Solve for x
    x = 287,115,865.31/18,337.62
  6. Step 6: Final answer
    x = 15,657.20

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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.