Home / 22,781.82-34,172.52-7,199.45

Finding the Fourth Proportional to 22,781.82, 34,172.52 and 7,199.45

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Solution

The fourth proportional to 22,781.82, 34,172.52 and 7,199.45 is: 10,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.82 : 34,172.52 = 7,199.45 : x
  2. Step 2: Convert to fraction form
    22,781.82/34,172.52 = 7,199.45/x
  3. Step 3: Cross multiply
    22,781.82x = 34,172.52 × 7,199.45
  4. Step 4: Simplify right side
    22,781.82x = 246,023,349.11
  5. Step 5: Solve for x
    x = 246,023,349.11/22,781.82
  6. Step 6: Final answer
    x = 10,799.11

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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.