Home / 10,291.15-15,429.23-3,268.85

Finding the Fourth Proportional to 10,291.15, 15,429.23 and 3,268.85

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Solution

The fourth proportional to 10,291.15, 15,429.23 and 3,268.85 is: 4,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.15 : 15,429.23 = 3,268.85 : x
  2. Step 2: Convert to fraction form
    10,291.15/15,429.23 = 3,268.85/x
  3. Step 3: Cross multiply
    10,291.15x = 15,429.23 × 3,268.85
  4. Step 4: Simplify right side
    10,291.15x = 50,435,822.14
  5. Step 5: Solve for x
    x = 50,435,822.14/10,291.15
  6. Step 6: Final answer
    x = 4,900.90

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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.