Home / 15,954.38-23,929.88-4,268.78

Finding the Fourth Proportional to 15,954.38, 23,929.88 and 4,268.78

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Solution

The fourth proportional to 15,954.38, 23,929.88 and 4,268.78 is: 6,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.38 : 23,929.88 = 4,268.78 : x
  2. Step 2: Convert to fraction form
    15,954.38/23,929.88 = 4,268.78/x
  3. Step 3: Cross multiply
    15,954.38x = 23,929.88 × 4,268.78
  4. Step 4: Simplify right side
    15,954.38x = 102,151,393.15
  5. Step 5: Solve for x
    x = 102,151,393.15/15,954.38
  6. Step 6: Final answer
    x = 6,402.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.