Home / 10,172.26-15,217.66-8,800.35

Finding the Fourth Proportional to 10,172.26, 15,217.66 and 8,800.35

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Solution

The fourth proportional to 10,172.26, 15,217.66 and 8,800.35 is: 13,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.26 : 15,217.66 = 8,800.35 : x
  2. Step 2: Convert to fraction form
    10,172.26/15,217.66 = 8,800.35/x
  3. Step 3: Cross multiply
    10,172.26x = 15,217.66 × 8,800.35
  4. Step 4: Simplify right side
    10,172.26x = 133,920,734.18
  5. Step 5: Solve for x
    x = 133,920,734.18/10,172.26
  6. Step 6: Final answer
    x = 13,165.29

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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.