Home / 11,290.47-16,934.49-3,894.36

Finding the Fourth Proportional to 11,290.47, 16,934.49 and 3,894.36

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Solution

The fourth proportional to 11,290.47, 16,934.49 and 3,894.36 is: 5,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.47 : 16,934.49 = 3,894.36 : x
  2. Step 2: Convert to fraction form
    11,290.47/16,934.49 = 3,894.36/x
  3. Step 3: Cross multiply
    11,290.47x = 16,934.49 × 3,894.36
  4. Step 4: Simplify right side
    11,290.47x = 65,949,000.48
  5. Step 5: Solve for x
    x = 65,949,000.48/11,290.47
  6. Step 6: Final answer
    x = 5,841.12

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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.