Home / 11,251.54-16,877.31-5,009.95

Finding the Fourth Proportional to 11,251.54, 16,877.31 and 5,009.95

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Solution

The fourth proportional to 11,251.54, 16,877.31 and 5,009.95 is: 7,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.54 : 16,877.31 = 5,009.95 : x
  2. Step 2: Convert to fraction form
    11,251.54/16,877.31 = 5,009.95/x
  3. Step 3: Cross multiply
    11,251.54x = 16,877.31 × 5,009.95
  4. Step 4: Simplify right side
    11,251.54x = 84,554,479.23
  5. Step 5: Solve for x
    x = 84,554,479.23/11,251.54
  6. Step 6: Final answer
    x = 7,514.93

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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.