Home / 10,126.15-13,973.92-5,650.39

Finding the Fourth Proportional to 10,126.15, 13,973.92 and 5,650.39

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Solution

The fourth proportional to 10,126.15, 13,973.92 and 5,650.39 is: 7,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.15 : 13,973.92 = 5,650.39 : x
  2. Step 2: Convert to fraction form
    10,126.15/13,973.92 = 5,650.39/x
  3. Step 3: Cross multiply
    10,126.15x = 13,973.92 × 5,650.39
  4. Step 4: Simplify right side
    10,126.15x = 78,958,101.17
  5. Step 5: Solve for x
    x = 78,958,101.17/10,126.15
  6. Step 6: Final answer
    x = 7,797.45

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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.