Home / 10,107.64-15,162.27-3,531.52

Finding the Fourth Proportional to 10,107.64, 15,162.27 and 3,531.52

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Solution

The fourth proportional to 10,107.64, 15,162.27 and 3,531.52 is: 5,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.64 : 15,162.27 = 3,531.52 : x
  2. Step 2: Convert to fraction form
    10,107.64/15,162.27 = 3,531.52/x
  3. Step 3: Cross multiply
    10,107.64x = 15,162.27 × 3,531.52
  4. Step 4: Simplify right side
    10,107.64x = 53,545,859.75
  5. Step 5: Solve for x
    x = 53,545,859.75/10,107.64
  6. Step 6: Final answer
    x = 5,297.56

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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.