Home / 13,947.29-20,922.25-4,587.38

Finding the Fourth Proportional to 13,947.29, 20,922.25 and 4,587.38

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Solution

The fourth proportional to 13,947.29, 20,922.25 and 4,587.38 is: 6,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.29 : 20,922.25 = 4,587.38 : x
  2. Step 2: Convert to fraction form
    13,947.29/20,922.25 = 4,587.38/x
  3. Step 3: Cross multiply
    13,947.29x = 20,922.25 × 4,587.38
  4. Step 4: Simplify right side
    13,947.29x = 95,978,399.87
  5. Step 5: Solve for x
    x = 95,978,399.87/13,947.29
  6. Step 6: Final answer
    x = 6,881.51

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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.