Home / 12,308.64-18,452.04-4,515.66

Finding the Fourth Proportional to 12,308.64, 18,452.04 and 4,515.66

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Solution

The fourth proportional to 12,308.64, 18,452.04 and 4,515.66 is: 6,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.64 : 18,452.04 = 4,515.66 : x
  2. Step 2: Convert to fraction form
    12,308.64/18,452.04 = 4,515.66/x
  3. Step 3: Cross multiply
    12,308.64x = 18,452.04 × 4,515.66
  4. Step 4: Simplify right side
    12,308.64x = 83,323,138.95
  5. Step 5: Solve for x
    x = 83,323,138.95/12,308.64
  6. Step 6: Final answer
    x = 6,769.48

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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.