Home / 13,027.11-17,977.40-7,058.78

Finding the Fourth Proportional to 13,027.11, 17,977.40 and 7,058.78

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Solution

The fourth proportional to 13,027.11, 17,977.40 and 7,058.78 is: 9,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.11 : 17,977.40 = 7,058.78 : x
  2. Step 2: Convert to fraction form
    13,027.11/17,977.40 = 7,058.78/x
  3. Step 3: Cross multiply
    13,027.11x = 17,977.40 × 7,058.78
  4. Step 4: Simplify right side
    13,027.11x = 126,898,439.20
  5. Step 5: Solve for x
    x = 126,898,439.20/13,027.11
  6. Step 6: Final answer
    x = 9,741.11

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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.