Home / 10,876.68-16,316.28-3,952.80

Finding the Fourth Proportional to 10,876.68, 16,316.28 and 3,952.80

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Solution

The fourth proportional to 10,876.68, 16,316.28 and 3,952.80 is: 5,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.68 : 16,316.28 = 3,952.80 : x
  2. Step 2: Convert to fraction form
    10,876.68/16,316.28 = 3,952.80/x
  3. Step 3: Cross multiply
    10,876.68x = 16,316.28 × 3,952.80
  4. Step 4: Simplify right side
    10,876.68x = 64,494,991.58
  5. Step 5: Solve for x
    x = 64,494,991.58/10,876.68
  6. Step 6: Final answer
    x = 5,929.66

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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.