Home / 11,058.31-15,258.36-7,025.79

Finding the Fourth Proportional to 11,058.31, 15,258.36 and 7,025.79

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Solution

The fourth proportional to 11,058.31, 15,258.36 and 7,025.79 is: 9,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.31 : 15,258.36 = 7,025.79 : x
  2. Step 2: Convert to fraction form
    11,058.31/15,258.36 = 7,025.79/x
  3. Step 3: Cross multiply
    11,058.31x = 15,258.36 × 7,025.79
  4. Step 4: Simplify right side
    11,058.31x = 107,202,012.52
  5. Step 5: Solve for x
    x = 107,202,012.52/11,058.31
  6. Step 6: Final answer
    x = 9,694.25

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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.