Home / 15,310.85-22,908.32-9,074.21

Finding the Fourth Proportional to 15,310.85, 22,908.32 and 9,074.21

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Solution

The fourth proportional to 15,310.85, 22,908.32 and 9,074.21 is: 13,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.85 : 22,908.32 = 9,074.21 : x
  2. Step 2: Convert to fraction form
    15,310.85/22,908.32 = 9,074.21/x
  3. Step 3: Cross multiply
    15,310.85x = 22,908.32 × 9,074.21
  4. Step 4: Simplify right side
    15,310.85x = 207,874,861.06
  5. Step 5: Solve for x
    x = 207,874,861.06/15,310.85
  6. Step 6: Final answer
    x = 13,576.96

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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.