Home / 10,028.72-15,043.80-4,185.92

Finding the Fourth Proportional to 10,028.72, 15,043.80 and 4,185.92

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Solution

The fourth proportional to 10,028.72, 15,043.80 and 4,185.92 is: 6,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.72 : 15,043.80 = 4,185.92 : x
  2. Step 2: Convert to fraction form
    10,028.72/15,043.80 = 4,185.92/x
  3. Step 3: Cross multiply
    10,028.72x = 15,043.80 × 4,185.92
  4. Step 4: Simplify right side
    10,028.72x = 62,972,143.30
  5. Step 5: Solve for x
    x = 62,972,143.30/10,028.72
  6. Step 6: Final answer
    x = 6,279.18

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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.