Home / 22,113.15-30,464.23-15,387.23

Finding the Fourth Proportional to 22,113.15, 30,464.23 and 15,387.23

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Solution

The fourth proportional to 22,113.15, 30,464.23 and 15,387.23 is: 21,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.15 : 30,464.23 = 15,387.23 : x
  2. Step 2: Convert to fraction form
    22,113.15/30,464.23 = 15,387.23/x
  3. Step 3: Cross multiply
    22,113.15x = 30,464.23 × 15,387.23
  4. Step 4: Simplify right side
    22,113.15x = 468,760,113.78
  5. Step 5: Solve for x
    x = 468,760,113.78/22,113.15
  6. Step 6: Final answer
    x = 21,198.25

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Double scale
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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.