Home / 18,497.80-25,520.92-11,320.24

Finding the Fourth Proportional to 18,497.80, 25,520.92 and 11,320.24

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Solution

The fourth proportional to 18,497.80, 25,520.92 and 11,320.24 is: 15,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.80 : 25,520.92 = 11,320.24 : x
  2. Step 2: Convert to fraction form
    18,497.80/25,520.92 = 11,320.24/x
  3. Step 3: Cross multiply
    18,497.80x = 25,520.92 × 11,320.24
  4. Step 4: Simplify right side
    18,497.80x = 288,902,847.32
  5. Step 5: Solve for x
    x = 288,902,847.32/18,497.80
  6. Step 6: Final answer
    x = 15,618.23

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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.