Home / 22,439.71-30,966.39-12,230.83

Finding the Fourth Proportional to 22,439.71, 30,966.39 and 12,230.83

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Solution

The fourth proportional to 22,439.71, 30,966.39 and 12,230.83 is: 16,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.71 : 30,966.39 = 12,230.83 : x
  2. Step 2: Convert to fraction form
    22,439.71/30,966.39 = 12,230.83/x
  3. Step 3: Cross multiply
    22,439.71x = 30,966.39 × 12,230.83
  4. Step 4: Simplify right side
    22,439.71x = 378,744,651.80
  5. Step 5: Solve for x
    x = 378,744,651.80/22,439.71
  6. Step 6: Final answer
    x = 16,878.32

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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.