Home / 18,471.08-27,657.36-9,687.56

Finding the Fourth Proportional to 18,471.08, 27,657.36 and 9,687.56

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Solution

The fourth proportional to 18,471.08, 27,657.36 and 9,687.56 is: 14,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.08 : 27,657.36 = 9,687.56 : x
  2. Step 2: Convert to fraction form
    18,471.08/27,657.36 = 9,687.56/x
  3. Step 3: Cross multiply
    18,471.08x = 27,657.36 × 9,687.56
  4. Step 4: Simplify right side
    18,471.08x = 267,932,334.44
  5. Step 5: Solve for x
    x = 267,932,334.44/18,471.08
  6. Step 6: Final answer
    x = 14,505.50

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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.