Home / 18,432.60-27,657.08-9,665.44

Finding the Fourth Proportional to 18,432.60, 27,657.08 and 9,665.44

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Solution

The fourth proportional to 18,432.60, 27,657.08 and 9,665.44 is: 14,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.60 : 27,657.08 = 9,665.44 : x
  2. Step 2: Convert to fraction form
    18,432.60/27,657.08 = 9,665.44/x
  3. Step 3: Cross multiply
    18,432.60x = 27,657.08 × 9,665.44
  4. Step 4: Simplify right side
    18,432.60x = 267,317,847.32
  5. Step 5: Solve for x
    x = 267,317,847.32/18,432.60
  6. Step 6: Final answer
    x = 14,502.45

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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.