Home / 12,350.72-17,042.39-7,045.22

Finding the Fourth Proportional to 12,350.72, 17,042.39 and 7,045.22

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Solution

The fourth proportional to 12,350.72, 17,042.39 and 7,045.22 is: 9,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.72 : 17,042.39 = 7,045.22 : x
  2. Step 2: Convert to fraction form
    12,350.72/17,042.39 = 7,045.22/x
  3. Step 3: Cross multiply
    12,350.72x = 17,042.39 × 7,045.22
  4. Step 4: Simplify right side
    12,350.72x = 120,067,266.44
  5. Step 5: Solve for x
    x = 120,067,266.44/12,350.72
  6. Step 6: Final answer
    x = 9,721.48

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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.