Home / 11,439.24-17,158.68-3,541.56

Finding the Fourth Proportional to 11,439.24, 17,158.68 and 3,541.56

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Solution

The fourth proportional to 11,439.24, 17,158.68 and 3,541.56 is: 5,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.24 : 17,158.68 = 3,541.56 : x
  2. Step 2: Convert to fraction form
    11,439.24/17,158.68 = 3,541.56/x
  3. Step 3: Cross multiply
    11,439.24x = 17,158.68 × 3,541.56
  4. Step 4: Simplify right side
    11,439.24x = 60,768,494.74
  5. Step 5: Solve for x
    x = 60,768,494.74/11,439.24
  6. Step 6: Final answer
    x = 5,312.28

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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.