Home / 18,439.50-27,655.14-8,951.52

Finding the Fourth Proportional to 18,439.50, 27,655.14 and 8,951.52

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Solution

The fourth proportional to 18,439.50, 27,655.14 and 8,951.52 is: 13,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.50 : 27,655.14 = 8,951.52 : x
  2. Step 2: Convert to fraction form
    18,439.50/27,655.14 = 8,951.52/x
  3. Step 3: Cross multiply
    18,439.50x = 27,655.14 × 8,951.52
  4. Step 4: Simplify right side
    18,439.50x = 247,555,538.81
  5. Step 5: Solve for x
    x = 247,555,538.81/18,439.50
  6. Step 6: Final answer
    x = 13,425.28

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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.