Home / 12,024.36-17,939.97-10,780.20

Finding the Fourth Proportional to 12,024.36, 17,939.97 and 10,780.20

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Solution

The fourth proportional to 12,024.36, 17,939.97 and 10,780.20 is: 16,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.36 : 17,939.97 = 10,780.20 : x
  2. Step 2: Convert to fraction form
    12,024.36/17,939.97 = 10,780.20/x
  3. Step 3: Cross multiply
    12,024.36x = 17,939.97 × 10,780.20
  4. Step 4: Simplify right side
    12,024.36x = 193,396,464.59
  5. Step 5: Solve for x
    x = 193,396,464.59/12,024.36
  6. Step 6: Final answer
    x = 16,083.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.