Home / 13,515.46-20,275.92-4,756.52

Finding the Fourth Proportional to 13,515.46, 20,275.92 and 4,756.52

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Solution

The fourth proportional to 13,515.46, 20,275.92 and 4,756.52 is: 7,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.46 : 20,275.92 = 4,756.52 : x
  2. Step 2: Convert to fraction form
    13,515.46/20,275.92 = 4,756.52/x
  3. Step 3: Cross multiply
    13,515.46x = 20,275.92 × 4,756.52
  4. Step 4: Simplify right side
    13,515.46x = 96,442,869.69
  5. Step 5: Solve for x
    x = 96,442,869.69/13,515.46
  6. Step 6: Final answer
    x = 7,135.75

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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.