Home / 17,231.80-25,847.70-12,566.20

Finding the Fourth Proportional to 17,231.80, 25,847.70 and 12,566.20

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Solution

The fourth proportional to 17,231.80, 25,847.70 and 12,566.20 is: 18,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231.80 : 25,847.70 = 12,566.20 : x
  2. Step 2: Convert to fraction form
    17,231.80/25,847.70 = 12,566.20/x
  3. Step 3: Cross multiply
    17,231.80x = 25,847.70 × 12,566.20
  4. Step 4: Simplify right side
    17,231.80x = 324,807,367.74
  5. Step 5: Solve for x
    x = 324,807,367.74/17,231.80
  6. Step 6: Final answer
    x = 18,849.30

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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.