Home / 11,127.04-16,696.31-4,891.42

Finding the Fourth Proportional to 11,127.04, 16,696.31 and 4,891.42

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Solution

The fourth proportional to 11,127.04, 16,696.31 and 4,891.42 is: 7,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.04 : 16,696.31 = 4,891.42 : x
  2. Step 2: Convert to fraction form
    11,127.04/16,696.31 = 4,891.42/x
  3. Step 3: Cross multiply
    11,127.04x = 16,696.31 × 4,891.42
  4. Step 4: Simplify right side
    11,127.04x = 81,668,664.66
  5. Step 5: Solve for x
    x = 81,668,664.66/11,127.04
  6. Step 6: Final answer
    x = 7,339.66

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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.