Home / 20,633.59-28,474.33-11,559.01

Finding the Fourth Proportional to 20,633.59, 28,474.33 and 11,559.01

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Solution

The fourth proportional to 20,633.59, 28,474.33 and 11,559.01 is: 15,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.59 : 28,474.33 = 11,559.01 : x
  2. Step 2: Convert to fraction form
    20,633.59/28,474.33 = 11,559.01/x
  3. Step 3: Cross multiply
    20,633.59x = 28,474.33 × 11,559.01
  4. Step 4: Simplify right side
    20,633.59x = 329,135,007.42
  5. Step 5: Solve for x
    x = 329,135,007.42/20,633.59
  6. Step 6: Final answer
    x = 15,951.42

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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.