Home / 10,272.75-15,409.13-4,116.75

Finding the Fourth Proportional to 10,272.75, 15,409.13 and 4,116.75

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Solution

The fourth proportional to 10,272.75, 15,409.13 and 4,116.75 is: 6,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.75 : 15,409.13 = 4,116.75 : x
  2. Step 2: Convert to fraction form
    10,272.75/15,409.13 = 4,116.75/x
  3. Step 3: Cross multiply
    10,272.75x = 15,409.13 × 4,116.75
  4. Step 4: Simplify right side
    10,272.75x = 63,435,535.93
  5. Step 5: Solve for x
    x = 63,435,535.93/10,272.75
  6. Step 6: Final answer
    x = 6,175.13

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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.