Home / 11,515.71-17,273.57-6,354.39

Finding the Fourth Proportional to 11,515.71, 17,273.57 and 6,354.39

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Solution

The fourth proportional to 11,515.71, 17,273.57 and 6,354.39 is: 9,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.71 : 17,273.57 = 6,354.39 : x
  2. Step 2: Convert to fraction form
    11,515.71/17,273.57 = 6,354.39/x
  3. Step 3: Cross multiply
    11,515.71x = 17,273.57 × 6,354.39
  4. Step 4: Simplify right side
    11,515.71x = 109,762,968.70
  5. Step 5: Solve for x
    x = 109,762,968.70/11,515.71
  6. Step 6: Final answer
    x = 9,531.59

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1.5x scale

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.