Home / 22,049.73-30,430.17-12,489.53

Finding the Fourth Proportional to 22,049.73, 30,430.17 and 12,489.53

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Solution

The fourth proportional to 22,049.73, 30,430.17 and 12,489.53 is: 17,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.73 : 30,430.17 = 12,489.53 : x
  2. Step 2: Convert to fraction form
    22,049.73/30,430.17 = 12,489.53/x
  3. Step 3: Cross multiply
    22,049.73x = 30,430.17 × 12,489.53
  4. Step 4: Simplify right side
    22,049.73x = 380,058,368.97
  5. Step 5: Solve for x
    x = 380,058,368.97/22,049.73
  6. Step 6: Final answer
    x = 17,236.42

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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.