Home / 13,908.44-20,862.71-4,047.96

Finding the Fourth Proportional to 13,908.44, 20,862.71 and 4,047.96

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Solution

The fourth proportional to 13,908.44, 20,862.71 and 4,047.96 is: 6,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.44 : 20,862.71 = 4,047.96 : x
  2. Step 2: Convert to fraction form
    13,908.44/20,862.71 = 4,047.96/x
  3. Step 3: Cross multiply
    13,908.44x = 20,862.71 × 4,047.96
  4. Step 4: Simplify right side
    13,908.44x = 84,451,488.75
  5. Step 5: Solve for x
    x = 84,451,488.75/13,908.44
  6. Step 6: Final answer
    x = 6,071.96

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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.