Home / 10,085.26-15,107.16-5,912.65

Finding the Fourth Proportional to 10,085.26, 15,107.16 and 5,912.65

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Solution

The fourth proportional to 10,085.26, 15,107.16 and 5,912.65 is: 8,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.26 : 15,107.16 = 5,912.65 : x
  2. Step 2: Convert to fraction form
    10,085.26/15,107.16 = 5,912.65/x
  3. Step 3: Cross multiply
    10,085.26x = 15,107.16 × 5,912.65
  4. Step 4: Simplify right side
    10,085.26x = 89,323,272.39
  5. Step 5: Solve for x
    x = 89,323,272.39/10,085.26
  6. Step 6: Final answer
    x = 8,856.81

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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.