Home / 11,352.79-17,029.32-3,957.40

Finding the Fourth Proportional to 11,352.79, 17,029.32 and 3,957.40

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Solution

The fourth proportional to 11,352.79, 17,029.32 and 3,957.40 is: 5,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.79 : 17,029.32 = 3,957.40 : x
  2. Step 2: Convert to fraction form
    11,352.79/17,029.32 = 3,957.40/x
  3. Step 3: Cross multiply
    11,352.79x = 17,029.32 × 3,957.40
  4. Step 4: Simplify right side
    11,352.79x = 67,391,830.97
  5. Step 5: Solve for x
    x = 67,391,830.97/11,352.79
  6. Step 6: Final answer
    x = 5,936.15

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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.