Home / 22,113.65-30,464.92-15,387.73

Finding the Fourth Proportional to 22,113.65, 30,464.92 and 15,387.73

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Solution

The fourth proportional to 22,113.65, 30,464.92 and 15,387.73 is: 21,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.65 : 30,464.92 = 15,387.73 : x
  2. Step 2: Convert to fraction form
    22,113.65/30,464.92 = 15,387.73/x
  3. Step 3: Cross multiply
    22,113.65x = 30,464.92 × 15,387.73
  4. Step 4: Simplify right side
    22,113.65x = 468,785,963.43
  5. Step 5: Solve for x
    x = 468,785,963.43/22,113.65
  6. Step 6: Final answer
    x = 21,198.94

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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.