Home / 10,934.24-15,081.12-8,571.68

Finding the Fourth Proportional to 10,934.24, 15,081.12 and 8,571.68

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Solution

The fourth proportional to 10,934.24, 15,081.12 and 8,571.68 is: 11,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.24 : 15,081.12 = 8,571.68 : x
  2. Step 2: Convert to fraction form
    10,934.24/15,081.12 = 8,571.68/x
  3. Step 3: Cross multiply
    10,934.24x = 15,081.12 × 8,571.68
  4. Step 4: Simplify right side
    10,934.24x = 129,270,534.68
  5. Step 5: Solve for x
    x = 129,270,534.68/10,934.24
  6. Step 6: Final answer
    x = 11,822.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.