Home / 13,882.13-20,789.83-7,941.01

Finding the Fourth Proportional to 13,882.13, 20,789.83 and 7,941.01

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Solution

The fourth proportional to 13,882.13, 20,789.83 and 7,941.01 is: 11,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.13 : 20,789.83 = 7,941.01 : x
  2. Step 2: Convert to fraction form
    13,882.13/20,789.83 = 7,941.01/x
  3. Step 3: Cross multiply
    13,882.13x = 20,789.83 × 7,941.01
  4. Step 4: Simplify right side
    13,882.13x = 165,092,247.93
  5. Step 5: Solve for x
    x = 165,092,247.93/13,882.13
  6. Step 6: Final answer
    x = 11,892.43

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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.