Home / 20,233.53-27,936.90-13,534.02

Finding the Fourth Proportional to 20,233.53, 27,936.90 and 13,534.02

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Solution

The fourth proportional to 20,233.53, 27,936.90 and 13,534.02 is: 18,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.53 : 27,936.90 = 13,534.02 : x
  2. Step 2: Convert to fraction form
    20,233.53/27,936.90 = 13,534.02/x
  3. Step 3: Cross multiply
    20,233.53x = 27,936.90 × 13,534.02
  4. Step 4: Simplify right side
    20,233.53x = 378,098,563.34
  5. Step 5: Solve for x
    x = 378,098,563.34/20,233.53
  6. Step 6: Final answer
    x = 18,686.73

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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.