Home / 15,488.73-21,383.28-10,198.92

Finding the Fourth Proportional to 15,488.73, 21,383.28 and 10,198.92

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Solution

The fourth proportional to 15,488.73, 21,383.28 and 10,198.92 is: 14,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488.73 : 21,383.28 = 10,198.92 : x
  2. Step 2: Convert to fraction form
    15,488.73/21,383.28 = 10,198.92/x
  3. Step 3: Cross multiply
    15,488.73x = 21,383.28 × 10,198.92
  4. Step 4: Simplify right side
    15,488.73x = 218,086,362.06
  5. Step 5: Solve for x
    x = 218,086,362.06/15,488.73
  6. Step 6: Final answer
    x = 14,080.33

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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.