Home / 13,959.38-20,937.18-4,096.82

Finding the Fourth Proportional to 13,959.38, 20,937.18 and 4,096.82

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Solution

The fourth proportional to 13,959.38, 20,937.18 and 4,096.82 is: 6,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.38 : 20,937.18 = 4,096.82 : x
  2. Step 2: Convert to fraction form
    13,959.38/20,937.18 = 4,096.82/x
  3. Step 3: Cross multiply
    13,959.38x = 20,937.18 × 4,096.82
  4. Step 4: Simplify right side
    13,959.38x = 85,775,857.77
  5. Step 5: Solve for x
    x = 85,775,857.77/13,959.38
  6. Step 6: Final answer
    x = 6,144.68

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1.5x scale

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.