Home / 22,439.80-30,966.84-12,367.96

Finding the Fourth Proportional to 22,439.80, 30,966.84 and 12,367.96

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Solution

The fourth proportional to 22,439.80, 30,966.84 and 12,367.96 is: 17,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.80 : 30,966.84 = 12,367.96 : x
  2. Step 2: Convert to fraction form
    22,439.80/30,966.84 = 12,367.96/x
  3. Step 3: Cross multiply
    22,439.80x = 30,966.84 × 12,367.96
  4. Step 4: Simplify right side
    22,439.80x = 382,996,638.45
  5. Step 5: Solve for x
    x = 382,996,638.45/22,439.80
  6. Step 6: Final answer
    x = 17,067.74

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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.