Home / 12,927.76-17,839.26-7,262.20

Finding the Fourth Proportional to 12,927.76, 17,839.26 and 7,262.20

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Solution

The fourth proportional to 12,927.76, 17,839.26 and 7,262.20 is: 10,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.76 : 17,839.26 = 7,262.20 : x
  2. Step 2: Convert to fraction form
    12,927.76/17,839.26 = 7,262.20/x
  3. Step 3: Cross multiply
    12,927.76x = 17,839.26 × 7,262.20
  4. Step 4: Simplify right side
    12,927.76x = 129,552,273.97
  5. Step 5: Solve for x
    x = 129,552,273.97/12,927.76
  6. Step 6: Final answer
    x = 10,021.25

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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.