Home / 10,891.26-16,334.46-4,315.68

Finding the Fourth Proportional to 10,891.26, 16,334.46 and 4,315.68

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Solution

The fourth proportional to 10,891.26, 16,334.46 and 4,315.68 is: 6,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.26 : 16,334.46 = 4,315.68 : x
  2. Step 2: Convert to fraction form
    10,891.26/16,334.46 = 4,315.68/x
  3. Step 3: Cross multiply
    10,891.26x = 16,334.46 × 4,315.68
  4. Step 4: Simplify right side
    10,891.26x = 70,494,302.33
  5. Step 5: Solve for x
    x = 70,494,302.33/10,891.26
  6. Step 6: Final answer
    x = 6,472.56

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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.