Home / 11,470.50-17,205.75-3,679.53

Finding the Fourth Proportional to 11,470.50, 17,205.75 and 3,679.53

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Solution

The fourth proportional to 11,470.50, 17,205.75 and 3,679.53 is: 5,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.50 : 17,205.75 = 3,679.53 : x
  2. Step 2: Convert to fraction form
    11,470.50/17,205.75 = 3,679.53/x
  3. Step 3: Cross multiply
    11,470.50x = 17,205.75 × 3,679.53
  4. Step 4: Simplify right side
    11,470.50x = 63,309,073.30
  5. Step 5: Solve for x
    x = 63,309,073.30/11,470.50
  6. Step 6: Final answer
    x = 5,519.30

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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.