Home / 10,014.22-15,020.79-3,439.72

Finding the Fourth Proportional to 10,014.22, 15,020.79 and 3,439.72

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Solution

The fourth proportional to 10,014.22, 15,020.79 and 3,439.72 is: 5,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.22 : 15,020.79 = 3,439.72 : x
  2. Step 2: Convert to fraction form
    10,014.22/15,020.79 = 3,439.72/x
  3. Step 3: Cross multiply
    10,014.22x = 15,020.79 × 3,439.72
  4. Step 4: Simplify right side
    10,014.22x = 51,667,311.78
  5. Step 5: Solve for x
    x = 51,667,311.78/10,014.22
  6. Step 6: Final answer
    x = 5,159.39

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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.