Home / 13,760.36-18,997.17-9,058.31

Finding the Fourth Proportional to 13,760.36, 18,997.17 and 9,058.31

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Solution

The fourth proportional to 13,760.36, 18,997.17 and 9,058.31 is: 12,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.36 : 18,997.17 = 9,058.31 : x
  2. Step 2: Convert to fraction form
    13,760.36/18,997.17 = 9,058.31/x
  3. Step 3: Cross multiply
    13,760.36x = 18,997.17 × 9,058.31
  4. Step 4: Simplify right side
    13,760.36x = 172,082,336.44
  5. Step 5: Solve for x
    x = 172,082,336.44/13,760.36
  6. Step 6: Final answer
    x = 12,505.65

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1.5x scale

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.