Home / 10,418.10-15,608.94-8,674.31

Finding the Fourth Proportional to 10,418.10, 15,608.94 and 8,674.31

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Solution

The fourth proportional to 10,418.10, 15,608.94 and 8,674.31 is: 12,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.10 : 15,608.94 = 8,674.31 : x
  2. Step 2: Convert to fraction form
    10,418.10/15,608.94 = 8,674.31/x
  3. Step 3: Cross multiply
    10,418.10x = 15,608.94 × 8,674.31
  4. Step 4: Simplify right side
    10,418.10x = 135,396,706.29
  5. Step 5: Solve for x
    x = 135,396,706.29/10,418.10
  6. Step 6: Final answer
    x = 12,996.30

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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.