Home / 10,269.20-15,401.40-3,339.92

Finding the Fourth Proportional to 10,269.20, 15,401.40 and 3,339.92

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Solution

The fourth proportional to 10,269.20, 15,401.40 and 3,339.92 is: 5,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.20 : 15,401.40 = 3,339.92 : x
  2. Step 2: Convert to fraction form
    10,269.20/15,401.40 = 3,339.92/x
  3. Step 3: Cross multiply
    10,269.20x = 15,401.40 × 3,339.92
  4. Step 4: Simplify right side
    10,269.20x = 51,439,443.89
  5. Step 5: Solve for x
    x = 51,439,443.89/10,269.20
  6. Step 6: Final answer
    x = 5,009.10

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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.