Home / 22,781.40-34,172.10-7,200.60

Finding the Fourth Proportional to 22,781.40, 34,172.10 and 7,200.60

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Solution

The fourth proportional to 22,781.40, 34,172.10 and 7,200.60 is: 10,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.40 : 34,172.10 = 7,200.60 : x
  2. Step 2: Convert to fraction form
    22,781.40/34,172.10 = 7,200.60/x
  3. Step 3: Cross multiply
    22,781.40x = 34,172.10 × 7,200.60
  4. Step 4: Simplify right side
    22,781.40x = 246,059,623.26
  5. Step 5: Solve for x
    x = 246,059,623.26/22,781.40
  6. Step 6: Final answer
    x = 10,800.90

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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.