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Finding the Fourth Proportional to 18,285, 25,234.38 and 10,327.02

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Solution

The fourth proportional to 18,285, 25,234.38 and 10,327.02 is: 14,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285 : 25,234.38 = 10,327.02 : x
  2. Step 2: Convert to fraction form
    18,285/25,234.38 = 10,327.02/x
  3. Step 3: Cross multiply
    18,285x = 25,234.38 × 10,327.02
  4. Step 4: Simplify right side
    18,285x = 260,595,946.95
  5. Step 5: Solve for x
    x = 260,595,946.95/18,285
  6. Step 6: Final answer
    x = 14,251.90

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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.