Home / 18,277.74-27,427.38-7,747.00

Finding the Fourth Proportional to 18,277.74, 27,427.38 and 7,747.00

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Solution

The fourth proportional to 18,277.74, 27,427.38 and 7,747.00 is: 11,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.74 : 27,427.38 = 7,747.00 : x
  2. Step 2: Convert to fraction form
    18,277.74/27,427.38 = 7,747.00/x
  3. Step 3: Cross multiply
    18,277.74x = 27,427.38 × 7,747.00
  4. Step 4: Simplify right side
    18,277.74x = 212,479,815.24
  5. Step 5: Solve for x
    x = 212,479,815.24/18,277.74
  6. Step 6: Final answer
    x = 11,625.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.