Home / 11,039.68-16,566.72-10,149.76

Finding the Fourth Proportional to 11,039.68, 16,566.72 and 10,149.76

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Solution

The fourth proportional to 11,039.68, 16,566.72 and 10,149.76 is: 15,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.68 : 16,566.72 = 10,149.76 : x
  2. Step 2: Convert to fraction form
    11,039.68/16,566.72 = 10,149.76/x
  3. Step 3: Cross multiply
    11,039.68x = 16,566.72 × 10,149.76
  4. Step 4: Simplify right side
    11,039.68x = 168,148,231.99
  5. Step 5: Solve for x
    x = 168,148,231.99/11,039.68
  6. Step 6: Final answer
    x = 15,231.26

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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.