Home / 20,304.24-28,010.52-11,914.80

Finding the Fourth Proportional to 20,304.24, 28,010.52 and 11,914.80

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Solution

The fourth proportional to 20,304.24, 28,010.52 and 11,914.80 is: 16,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.24 : 28,010.52 = 11,914.80 : x
  2. Step 2: Convert to fraction form
    20,304.24/28,010.52 = 11,914.80/x
  3. Step 3: Cross multiply
    20,304.24x = 28,010.52 × 11,914.80
  4. Step 4: Simplify right side
    20,304.24x = 333,739,743.70
  5. Step 5: Solve for x
    x = 333,739,743.70/20,304.24
  6. Step 6: Final answer
    x = 16,436.95

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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.