Home / 13,367.04-20,043.76-4,479.28

Finding the Fourth Proportional to 13,367.04, 20,043.76 and 4,479.28

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Solution

The fourth proportional to 13,367.04, 20,043.76 and 4,479.28 is: 6,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.04 : 20,043.76 = 4,479.28 : x
  2. Step 2: Convert to fraction form
    13,367.04/20,043.76 = 4,479.28/x
  3. Step 3: Cross multiply
    13,367.04x = 20,043.76 × 4,479.28
  4. Step 4: Simplify right side
    13,367.04x = 89,781,613.29
  5. Step 5: Solve for x
    x = 89,781,613.29/13,367.04
  6. Step 6: Final answer
    x = 6,716.64

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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.