Home / 10,425.20-15,637.89-3,029.72

Finding the Fourth Proportional to 10,425.20, 15,637.89 and 3,029.72

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Solution

The fourth proportional to 10,425.20, 15,637.89 and 3,029.72 is: 4,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.20 : 15,637.89 = 3,029.72 : x
  2. Step 2: Convert to fraction form
    10,425.20/15,637.89 = 3,029.72/x
  3. Step 3: Cross multiply
    10,425.20x = 15,637.89 × 3,029.72
  4. Step 4: Simplify right side
    10,425.20x = 47,378,428.09
  5. Step 5: Solve for x
    x = 47,378,428.09/10,425.20
  6. Step 6: Final answer
    x = 4,544.61

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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.