Home / 10,058.40-15,091.92-7,155.36

Finding the Fourth Proportional to 10,058.40, 15,091.92 and 7,155.36

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Solution

The fourth proportional to 10,058.40, 15,091.92 and 7,155.36 is: 10,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.40 : 15,091.92 = 7,155.36 : x
  2. Step 2: Convert to fraction form
    10,058.40/15,091.92 = 7,155.36/x
  3. Step 3: Cross multiply
    10,058.40x = 15,091.92 × 7,155.36
  4. Step 4: Simplify right side
    10,058.40x = 107,988,120.69
  5. Step 5: Solve for x
    x = 107,988,120.69/10,058.40
  6. Step 6: Final answer
    x = 10,736.11

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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.