Home / 18,525.32-27,793.17-7,439.79

Finding the Fourth Proportional to 18,525.32, 27,793.17 and 7,439.79

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Solution

The fourth proportional to 18,525.32, 27,793.17 and 7,439.79 is: 11,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.32 : 27,793.17 = 7,439.79 : x
  2. Step 2: Convert to fraction form
    18,525.32/27,793.17 = 7,439.79/x
  3. Step 3: Cross multiply
    18,525.32x = 27,793.17 × 7,439.79
  4. Step 4: Simplify right side
    18,525.32x = 206,775,271.91
  5. Step 5: Solve for x
    x = 206,775,271.91/18,525.32
  6. Step 6: Final answer
    x = 11,161.77

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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.