Home / 10,489.25-15,736.19-4,567.08

Finding the Fourth Proportional to 10,489.25, 15,736.19 and 4,567.08

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Solution

The fourth proportional to 10,489.25, 15,736.19 and 4,567.08 is: 6,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.25 : 15,736.19 = 4,567.08 : x
  2. Step 2: Convert to fraction form
    10,489.25/15,736.19 = 4,567.08/x
  3. Step 3: Cross multiply
    10,489.25x = 15,736.19 × 4,567.08
  4. Step 4: Simplify right side
    10,489.25x = 71,868,474.80
  5. Step 5: Solve for x
    x = 71,868,474.80/10,489.25
  6. Step 6: Final answer
    x = 6,851.63

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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.