Home / 18,445.52-27,685.56-8,591.60

Finding the Fourth Proportional to 18,445.52, 27,685.56 and 8,591.60

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Solution

The fourth proportional to 18,445.52, 27,685.56 and 8,591.60 is: 12,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.52 : 27,685.56 = 8,591.60 : x
  2. Step 2: Convert to fraction form
    18,445.52/27,685.56 = 8,591.60/x
  3. Step 3: Cross multiply
    18,445.52x = 27,685.56 × 8,591.60
  4. Step 4: Simplify right side
    18,445.52x = 237,863,257.30
  5. Step 5: Solve for x
    x = 237,863,257.30/18,445.52
  6. Step 6: Final answer
    x = 12,895.45

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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.