Home / 18,634.24-25,714.56-13,337.92

Finding the Fourth Proportional to 18,634.24, 25,714.56 and 13,337.92

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Solution

The fourth proportional to 18,634.24, 25,714.56 and 13,337.92 is: 18,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.24 : 25,714.56 = 13,337.92 : x
  2. Step 2: Convert to fraction form
    18,634.24/25,714.56 = 13,337.92/x
  3. Step 3: Cross multiply
    18,634.24x = 25,714.56 × 13,337.92
  4. Step 4: Simplify right side
    18,634.24x = 342,978,744.12
  5. Step 5: Solve for x
    x = 342,978,744.12/18,634.24
  6. Step 6: Final answer
    x = 18,405.83

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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.