Home / 18,195.60-27,285.30-8,337.90

Finding the Fourth Proportional to 18,195.60, 27,285.30 and 8,337.90

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Solution

The fourth proportional to 18,195.60, 27,285.30 and 8,337.90 is: 12,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.60 : 27,285.30 = 8,337.90 : x
  2. Step 2: Convert to fraction form
    18,195.60/27,285.30 = 8,337.90/x
  3. Step 3: Cross multiply
    18,195.60x = 27,285.30 × 8,337.90
  4. Step 4: Simplify right side
    18,195.60x = 227,502,102.87
  5. Step 5: Solve for x
    x = 227,502,102.87/18,195.60
  6. Step 6: Final answer
    x = 12,503.14

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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.