Home / 22,675.43-31,294.04-12,605.81

Finding the Fourth Proportional to 22,675.43, 31,294.04 and 12,605.81

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Solution

The fourth proportional to 22,675.43, 31,294.04 and 12,605.81 is: 17,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.43 : 31,294.04 = 12,605.81 : x
  2. Step 2: Convert to fraction form
    22,675.43/31,294.04 = 12,605.81/x
  3. Step 3: Cross multiply
    22,675.43x = 31,294.04 × 12,605.81
  4. Step 4: Simplify right side
    22,675.43x = 394,486,502.87
  5. Step 5: Solve for x
    x = 394,486,502.87/22,675.43
  6. Step 6: Final answer
    x = 17,397.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.