Home / 9,517.14-13,124.93-8,172.29

Finding the Fourth Proportional to 9,517.14, 13,124.93 and 8,172.29

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Solution

The fourth proportional to 9,517.14, 13,124.93 and 8,172.29 is: 11,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.14 : 13,124.93 = 8,172.29 : x
  2. Step 2: Convert to fraction form
    9,517.14/13,124.93 = 8,172.29/x
  3. Step 3: Cross multiply
    9,517.14x = 13,124.93 × 8,172.29
  4. Step 4: Simplify right side
    9,517.14x = 107,260,676.92
  5. Step 5: Solve for x
    x = 107,260,676.92/9,517.14
  6. Step 6: Final answer
    x = 11,270.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.