Home / 22,318.38-30,763.44-15,146.10

Finding the Fourth Proportional to 22,318.38, 30,763.44 and 15,146.10

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Solution

The fourth proportional to 22,318.38, 30,763.44 and 15,146.10 is: 20,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.38 : 30,763.44 = 15,146.10 : x
  2. Step 2: Convert to fraction form
    22,318.38/30,763.44 = 15,146.10/x
  3. Step 3: Cross multiply
    22,318.38x = 30,763.44 × 15,146.10
  4. Step 4: Simplify right side
    22,318.38x = 465,946,138.58
  5. Step 5: Solve for x
    x = 465,946,138.58/22,318.38
  6. Step 6: Final answer
    x = 20,877.24

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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.