Home / 18,583.74-27,868.31-7,488.36

Finding the Fourth Proportional to 18,583.74, 27,868.31 and 7,488.36

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Solution

The fourth proportional to 18,583.74, 27,868.31 and 7,488.36 is: 11,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.74 : 27,868.31 = 7,488.36 : x
  2. Step 2: Convert to fraction form
    18,583.74/27,868.31 = 7,488.36/x
  3. Step 3: Cross multiply
    18,583.74x = 27,868.31 × 7,488.36
  4. Step 4: Simplify right side
    18,583.74x = 208,687,900.43
  5. Step 5: Solve for x
    x = 208,687,900.43/18,583.74
  6. Step 6: Final answer
    x = 11,229.60

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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.