Home / 11,479.13-17,216.42-3,157.00

Finding the Fourth Proportional to 11,479.13, 17,216.42 and 3,157.00

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Solution

The fourth proportional to 11,479.13, 17,216.42 and 3,157.00 is: 4,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.13 : 17,216.42 = 3,157.00 : x
  2. Step 2: Convert to fraction form
    11,479.13/17,216.42 = 3,157.00/x
  3. Step 3: Cross multiply
    11,479.13x = 17,216.42 × 3,157.00
  4. Step 4: Simplify right side
    11,479.13x = 54,352,202.79
  5. Step 5: Solve for x
    x = 54,352,202.79/11,479.13
  6. Step 6: Final answer
    x = 4,734.87

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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.