Home / 16,930.97-23,367.47-10,979.95

Finding the Fourth Proportional to 16,930.97, 23,367.47 and 10,979.95

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Solution

The fourth proportional to 16,930.97, 23,367.47 and 10,979.95 is: 15,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.97 : 23,367.47 = 10,979.95 : x
  2. Step 2: Convert to fraction form
    16,930.97/23,367.47 = 10,979.95/x
  3. Step 3: Cross multiply
    16,930.97x = 23,367.47 × 10,979.95
  4. Step 4: Simplify right side
    16,930.97x = 256,573,652.23
  5. Step 5: Solve for x
    x = 256,573,652.23/16,930.97
  6. Step 6: Final answer
    x = 15,154.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.