Home / 8,969.67-13,450.05-5,680.26

Finding the Fourth Proportional to 8,969.67, 13,450.05 and 5,680.26

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Solution

The fourth proportional to 8,969.67, 13,450.05 and 5,680.26 is: 8,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.67 : 13,450.05 = 5,680.26 : x
  2. Step 2: Convert to fraction form
    8,969.67/13,450.05 = 5,680.26/x
  3. Step 3: Cross multiply
    8,969.67x = 13,450.05 × 5,680.26
  4. Step 4: Simplify right side
    8,969.67x = 76,399,781.01
  5. Step 5: Solve for x
    x = 76,399,781.01/8,969.67
  6. Step 6: Final answer
    x = 8,517.57

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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.