Home / 20,245.65-27,932.80-11,744.82

Finding the Fourth Proportional to 20,245.65, 27,932.80 and 11,744.82

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Solution

The fourth proportional to 20,245.65, 27,932.80 and 11,744.82 is: 16,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.65 : 27,932.80 = 11,744.82 : x
  2. Step 2: Convert to fraction form
    20,245.65/27,932.80 = 11,744.82/x
  3. Step 3: Cross multiply
    20,245.65x = 27,932.80 × 11,744.82
  4. Step 4: Simplify right side
    20,245.65x = 328,065,708.10
  5. Step 5: Solve for x
    x = 328,065,708.10/20,245.65
  6. Step 6: Final answer
    x = 16,204.26

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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.