Home / 13,036.13-17,989.98-7,067.78

Finding the Fourth Proportional to 13,036.13, 17,989.98 and 7,067.78

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Solution

The fourth proportional to 13,036.13, 17,989.98 and 7,067.78 is: 9,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.13 : 17,989.98 = 7,067.78 : x
  2. Step 2: Convert to fraction form
    13,036.13/17,989.98 = 7,067.78/x
  3. Step 3: Cross multiply
    13,036.13x = 17,989.98 × 7,067.78
  4. Step 4: Simplify right side
    13,036.13x = 127,149,220.84
  5. Step 5: Solve for x
    x = 127,149,220.84/13,036.13
  6. Step 6: Final answer
    x = 9,753.60

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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.