Home / 10,888.68-16,330.62-3,491.72

Finding the Fourth Proportional to 10,888.68, 16,330.62 and 3,491.72

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Solution

The fourth proportional to 10,888.68, 16,330.62 and 3,491.72 is: 5,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.68 : 16,330.62 = 3,491.72 : x
  2. Step 2: Convert to fraction form
    10,888.68/16,330.62 = 3,491.72/x
  3. Step 3: Cross multiply
    10,888.68x = 16,330.62 × 3,491.72
  4. Step 4: Simplify right side
    10,888.68x = 57,021,952.47
  5. Step 5: Solve for x
    x = 57,021,952.47/10,888.68
  6. Step 6: Final answer
    x = 5,236.81

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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.