Home / 10,101.62-13,939.92-5,625.28

Finding the Fourth Proportional to 10,101.62, 13,939.92 and 5,625.28

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Solution

The fourth proportional to 10,101.62, 13,939.92 and 5,625.28 is: 7,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.62 : 13,939.92 = 5,625.28 : x
  2. Step 2: Convert to fraction form
    10,101.62/13,939.92 = 5,625.28/x
  3. Step 3: Cross multiply
    10,101.62x = 13,939.92 × 5,625.28
  4. Step 4: Simplify right side
    10,101.62x = 78,415,883.48
  5. Step 5: Solve for x
    x = 78,415,883.48/10,101.62
  6. Step 6: Final answer
    x = 7,762.70

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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.