Home / 22,290.92-30,761.19-12,219.24

Finding the Fourth Proportional to 22,290.92, 30,761.19 and 12,219.24

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Solution

The fourth proportional to 22,290.92, 30,761.19 and 12,219.24 is: 16,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.92 : 30,761.19 = 12,219.24 : x
  2. Step 2: Convert to fraction form
    22,290.92/30,761.19 = 12,219.24/x
  3. Step 3: Cross multiply
    22,290.92x = 30,761.19 × 12,219.24
  4. Step 4: Simplify right side
    22,290.92x = 375,878,363.30
  5. Step 5: Solve for x
    x = 375,878,363.30/22,290.92
  6. Step 6: Final answer
    x = 16,862.40

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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.