Home / 17,980.35-24,801.31-11,930.46

Finding the Fourth Proportional to 17,980.35, 24,801.31 and 11,930.46

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Solution

The fourth proportional to 17,980.35, 24,801.31 and 11,930.46 is: 16,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.35 : 24,801.31 = 11,930.46 : x
  2. Step 2: Convert to fraction form
    17,980.35/24,801.31 = 11,930.46/x
  3. Step 3: Cross multiply
    17,980.35x = 24,801.31 × 11,930.46
  4. Step 4: Simplify right side
    17,980.35x = 295,891,069.08
  5. Step 5: Solve for x
    x = 295,891,069.08/17,980.35
  6. Step 6: Final answer
    x = 16,456.36

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1.5x scale

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.