Home / 13,934.31-20,882.79-8,013.93

Finding the Fourth Proportional to 13,934.31, 20,882.79 and 8,013.93

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Solution

The fourth proportional to 13,934.31, 20,882.79 and 8,013.93 is: 12,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.31 : 20,882.79 = 8,013.93 : x
  2. Step 2: Convert to fraction form
    13,934.31/20,882.79 = 8,013.93/x
  3. Step 3: Cross multiply
    13,934.31x = 20,882.79 × 8,013.93
  4. Step 4: Simplify right side
    13,934.31x = 167,353,217.26
  5. Step 5: Solve for x
    x = 167,353,217.26/13,934.31
  6. Step 6: Final answer
    x = 12,010.15

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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.