Home / 22,042.89-30,419.19-12,611.46

Finding the Fourth Proportional to 22,042.89, 30,419.19 and 12,611.46

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Solution

The fourth proportional to 22,042.89, 30,419.19 and 12,611.46 is: 17,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.89 : 30,419.19 = 12,611.46 : x
  2. Step 2: Convert to fraction form
    22,042.89/30,419.19 = 12,611.46/x
  3. Step 3: Cross multiply
    22,042.89x = 30,419.19 × 12,611.46
  4. Step 4: Simplify right side
    22,042.89x = 383,630,397.92
  5. Step 5: Solve for x
    x = 383,630,397.92/22,042.89
  6. Step 6: Final answer
    x = 17,403.82

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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.