Home / 22,162.28-30,613.12-16,431.36

Finding the Fourth Proportional to 22,162.28, 30,613.12 and 16,431.36

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Solution

The fourth proportional to 22,162.28, 30,613.12 and 16,431.36 is: 22,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.28 : 30,613.12 = 16,431.36 : x
  2. Step 2: Convert to fraction form
    22,162.28/30,613.12 = 16,431.36/x
  3. Step 3: Cross multiply
    22,162.28x = 30,613.12 × 16,431.36
  4. Step 4: Simplify right side
    22,162.28x = 503,015,195.44
  5. Step 5: Solve for x
    x = 503,015,195.44/22,162.28
  6. Step 6: Final answer
    x = 22,696.91

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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.