Home / 22,248.90-30,700.44-13,294.51

Finding the Fourth Proportional to 22,248.90, 30,700.44 and 13,294.51

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Solution

The fourth proportional to 22,248.90, 30,700.44 and 13,294.51 is: 18,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.90 : 30,700.44 = 13,294.51 : x
  2. Step 2: Convert to fraction form
    22,248.90/30,700.44 = 13,294.51/x
  3. Step 3: Cross multiply
    22,248.90x = 30,700.44 × 13,294.51
  4. Step 4: Simplify right side
    22,248.90x = 408,147,306.58
  5. Step 5: Solve for x
    x = 408,147,306.58/22,248.90
  6. Step 6: Final answer
    x = 18,344.61

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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.