Home / 10,186.20-14,058.18-9,743.31

Finding the Fourth Proportional to 10,186.20, 14,058.18 and 9,743.31

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Solution

The fourth proportional to 10,186.20, 14,058.18 and 9,743.31 is: 13,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.20 : 14,058.18 = 9,743.31 : x
  2. Step 2: Convert to fraction form
    10,186.20/14,058.18 = 9,743.31/x
  3. Step 3: Cross multiply
    10,186.20x = 14,058.18 × 9,743.31
  4. Step 4: Simplify right side
    10,186.20x = 136,973,205.78
  5. Step 5: Solve for x
    x = 136,973,205.78/10,186.20
  6. Step 6: Final answer
    x = 13,446.94

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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.