Home / 11,378.31-17,069.49-4,358.04

Finding the Fourth Proportional to 11,378.31, 17,069.49 and 4,358.04

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Solution

The fourth proportional to 11,378.31, 17,069.49 and 4,358.04 is: 6,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.31 : 17,069.49 = 4,358.04 : x
  2. Step 2: Convert to fraction form
    11,378.31/17,069.49 = 4,358.04/x
  3. Step 3: Cross multiply
    11,378.31x = 17,069.49 × 4,358.04
  4. Step 4: Simplify right side
    11,378.31x = 74,389,520.20
  5. Step 5: Solve for x
    x = 74,389,520.20/11,378.31
  6. Step 6: Final answer
    x = 6,537.84

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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.