Home / 20,104.10-30,156.15-6,251.30

Finding the Fourth Proportional to 20,104.10, 30,156.15 and 6,251.30

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Solution

The fourth proportional to 20,104.10, 30,156.15 and 6,251.30 is: 9,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.10 : 30,156.15 = 6,251.30 : x
  2. Step 2: Convert to fraction form
    20,104.10/30,156.15 = 6,251.30/x
  3. Step 3: Cross multiply
    20,104.10x = 30,156.15 × 6,251.30
  4. Step 4: Simplify right side
    20,104.10x = 188,515,140.50
  5. Step 5: Solve for x
    x = 188,515,140.50/20,104.10
  6. Step 6: Final answer
    x = 9,376.95

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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.