Home / 11,559.20-17,340.15-3,768

Finding the Fourth Proportional to 11,559.20, 17,340.15 and 3,768

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Solution

The fourth proportional to 11,559.20, 17,340.15 and 3,768 is: 5,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.20 : 17,340.15 = 3,768 : x
  2. Step 2: Convert to fraction form
    11,559.20/17,340.15 = 3,768/x
  3. Step 3: Cross multiply
    11,559.20x = 17,340.15 × 3,768
  4. Step 4: Simplify right side
    11,559.20x = 65,337,685.20
  5. Step 5: Solve for x
    x = 65,337,685.20/11,559.20
  6. Step 6: Final answer
    x = 5,652.44

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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.