Home / 10,098.70-15,147.33-3,175.18

Finding the Fourth Proportional to 10,098.70, 15,147.33 and 3,175.18

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Solution

The fourth proportional to 10,098.70, 15,147.33 and 3,175.18 is: 4,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.70 : 15,147.33 = 3,175.18 : x
  2. Step 2: Convert to fraction form
    10,098.70/15,147.33 = 3,175.18/x
  3. Step 3: Cross multiply
    10,098.70x = 15,147.33 × 3,175.18
  4. Step 4: Simplify right side
    10,098.70x = 48,095,499.27
  5. Step 5: Solve for x
    x = 48,095,499.27/10,098.70
  6. Step 6: Final answer
    x = 4,762.54

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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.