Home / 18,732.20-28,094.90-8,200.17

Finding the Fourth Proportional to 18,732.20, 28,094.90 and 8,200.17

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Solution

The fourth proportional to 18,732.20, 28,094.90 and 8,200.17 is: 12,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.20 : 28,094.90 = 8,200.17 : x
  2. Step 2: Convert to fraction form
    18,732.20/28,094.90 = 8,200.17/x
  3. Step 3: Cross multiply
    18,732.20x = 28,094.90 × 8,200.17
  4. Step 4: Simplify right side
    18,732.20x = 230,382,915.13
  5. Step 5: Solve for x
    x = 230,382,915.13/18,732.20
  6. Step 6: Final answer
    x = 12,298.77

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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.