Home / 11,811.02-17,711.22-3,488.14

Finding the Fourth Proportional to 11,811.02, 17,711.22 and 3,488.14

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Solution

The fourth proportional to 11,811.02, 17,711.22 and 3,488.14 is: 5,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.02 : 17,711.22 = 3,488.14 : x
  2. Step 2: Convert to fraction form
    11,811.02/17,711.22 = 3,488.14/x
  3. Step 3: Cross multiply
    11,811.02x = 17,711.22 × 3,488.14
  4. Step 4: Simplify right side
    11,811.02x = 61,779,126.37
  5. Step 5: Solve for x
    x = 61,779,126.37/11,811.02
  6. Step 6: Final answer
    x = 5,230.63

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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.