Home / 22,182.17-30,610.99-12,621.85

Finding the Fourth Proportional to 22,182.17, 30,610.99 and 12,621.85

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Solution

The fourth proportional to 22,182.17, 30,610.99 and 12,621.85 is: 17,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.17 : 30,610.99 = 12,621.85 : x
  2. Step 2: Convert to fraction form
    22,182.17/30,610.99 = 12,621.85/x
  3. Step 3: Cross multiply
    22,182.17x = 30,610.99 × 12,621.85
  4. Step 4: Simplify right side
    22,182.17x = 386,367,320.78
  5. Step 5: Solve for x
    x = 386,367,320.78/22,182.17
  6. Step 6: Final answer
    x = 17,417.92

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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.