Home / 20,167.08-30,251.04-7,343.80

Finding the Fourth Proportional to 20,167.08, 30,251.04 and 7,343.80

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Solution

The fourth proportional to 20,167.08, 30,251.04 and 7,343.80 is: 11,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.08 : 30,251.04 = 7,343.80 : x
  2. Step 2: Convert to fraction form
    20,167.08/30,251.04 = 7,343.80/x
  3. Step 3: Cross multiply
    20,167.08x = 30,251.04 × 7,343.80
  4. Step 4: Simplify right side
    20,167.08x = 222,157,587.55
  5. Step 5: Solve for x
    x = 222,157,587.55/20,167.08
  6. Step 6: Final answer
    x = 11,015.85

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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.