Home / 10,571.13-15,856.20-4,329.61

Finding the Fourth Proportional to 10,571.13, 15,856.20 and 4,329.61

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Solution

The fourth proportional to 10,571.13, 15,856.20 and 4,329.61 is: 6,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.13 : 15,856.20 = 4,329.61 : x
  2. Step 2: Convert to fraction form
    10,571.13/15,856.20 = 4,329.61/x
  3. Step 3: Cross multiply
    10,571.13x = 15,856.20 × 4,329.61
  4. Step 4: Simplify right side
    10,571.13x = 68,651,122.44
  5. Step 5: Solve for x
    x = 68,651,122.44/10,571.13
  6. Step 6: Final answer
    x = 6,494.21

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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.