Home / 22,132.20-30,542.04-12,060.72

Finding the Fourth Proportional to 22,132.20, 30,542.04 and 12,060.72

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Solution

The fourth proportional to 22,132.20, 30,542.04 and 12,060.72 is: 16,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.20 : 30,542.04 = 12,060.72 : x
  2. Step 2: Convert to fraction form
    22,132.20/30,542.04 = 12,060.72/x
  3. Step 3: Cross multiply
    22,132.20x = 30,542.04 × 12,060.72
  4. Step 4: Simplify right side
    22,132.20x = 368,358,992.67
  5. Step 5: Solve for x
    x = 368,358,992.67/22,132.20
  6. Step 6: Final answer
    x = 16,643.58

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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.