Home / 13,713.58-20,566.28-5,815.97

Finding the Fourth Proportional to 13,713.58, 20,566.28 and 5,815.97

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Solution

The fourth proportional to 13,713.58, 20,566.28 and 5,815.97 is: 8,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.58 : 20,566.28 = 5,815.97 : x
  2. Step 2: Convert to fraction form
    13,713.58/20,566.28 = 5,815.97/x
  3. Step 3: Cross multiply
    13,713.58x = 20,566.28 × 5,815.97
  4. Step 4: Simplify right side
    13,713.58x = 119,612,933.45
  5. Step 5: Solve for x
    x = 119,612,933.45/13,713.58
  6. Step 6: Final answer
    x = 8,722.23

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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.