Home / 11,425.28-17,140.32-4,029.92

Finding the Fourth Proportional to 11,425.28, 17,140.32 and 4,029.92

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Solution

The fourth proportional to 11,425.28, 17,140.32 and 4,029.92 is: 6,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.28 : 17,140.32 = 4,029.92 : x
  2. Step 2: Convert to fraction form
    11,425.28/17,140.32 = 4,029.92/x
  3. Step 3: Cross multiply
    11,425.28x = 17,140.32 × 4,029.92
  4. Step 4: Simplify right side
    11,425.28x = 69,074,118.37
  5. Step 5: Solve for x
    x = 69,074,118.37/11,425.28
  6. Step 6: Final answer
    x = 6,045.73

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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.