Home / 13,027.19-17,977.41-7,724.52

Finding the Fourth Proportional to 13,027.19, 17,977.41 and 7,724.52

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Solution

The fourth proportional to 13,027.19, 17,977.41 and 7,724.52 is: 10,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.19 : 17,977.41 = 7,724.52 : x
  2. Step 2: Convert to fraction form
    13,027.19/17,977.41 = 7,724.52/x
  3. Step 3: Cross multiply
    13,027.19x = 17,977.41 × 7,724.52
  4. Step 4: Simplify right side
    13,027.19x = 138,866,863.09
  5. Step 5: Solve for x
    x = 138,866,863.09/13,027.19
  6. Step 6: Final answer
    x = 10,659.78

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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.