Home / 22,931.31-34,241.66-18,198.18

Finding the Fourth Proportional to 22,931.31, 34,241.66 and 18,198.18

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Solution

The fourth proportional to 22,931.31, 34,241.66 and 18,198.18 is: 27,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.31 : 34,241.66 = 18,198.18 : x
  2. Step 2: Convert to fraction form
    22,931.31/34,241.66 = 18,198.18/x
  3. Step 3: Cross multiply
    22,931.31x = 34,241.66 × 18,198.18
  4. Step 4: Simplify right side
    22,931.31x = 623,135,892.18
  5. Step 5: Solve for x
    x = 623,135,892.18/22,931.31
  6. Step 6: Final answer
    x = 27,174.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.