Home / 12,542.03-17,304.50-9,881.18

Finding the Fourth Proportional to 12,542.03, 17,304.50 and 9,881.18

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Solution

The fourth proportional to 12,542.03, 17,304.50 and 9,881.18 is: 13,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.03 : 17,304.50 = 9,881.18 : x
  2. Step 2: Convert to fraction form
    12,542.03/17,304.50 = 9,881.18/x
  3. Step 3: Cross multiply
    12,542.03x = 17,304.50 × 9,881.18
  4. Step 4: Simplify right side
    12,542.03x = 170,988,879.31
  5. Step 5: Solve for x
    x = 170,988,879.31/12,542.03
  6. Step 6: Final answer
    x = 13,633.27

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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.