Home / 12,755.44-19,139.64-5,734.04

Finding the Fourth Proportional to 12,755.44, 19,139.64 and 5,734.04

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Solution

The fourth proportional to 12,755.44, 19,139.64 and 5,734.04 is: 8,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.44 : 19,139.64 = 5,734.04 : x
  2. Step 2: Convert to fraction form
    12,755.44/19,139.64 = 5,734.04/x
  3. Step 3: Cross multiply
    12,755.44x = 19,139.64 × 5,734.04
  4. Step 4: Simplify right side
    12,755.44x = 109,747,484.06
  5. Step 5: Solve for x
    x = 109,747,484.06/12,755.44
  6. Step 6: Final answer
    x = 8,603.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.