Home / 18,087.16-27,135.05-7,551.32

Finding the Fourth Proportional to 18,087.16, 27,135.05 and 7,551.32

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Solution

The fourth proportional to 18,087.16, 27,135.05 and 7,551.32 is: 11,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.16 : 27,135.05 = 7,551.32 : x
  2. Step 2: Convert to fraction form
    18,087.16/27,135.05 = 7,551.32/x
  3. Step 3: Cross multiply
    18,087.16x = 27,135.05 × 7,551.32
  4. Step 4: Simplify right side
    18,087.16x = 204,905,272.33
  5. Step 5: Solve for x
    x = 204,905,272.33/18,087.16
  6. Step 6: Final answer
    x = 11,328.77

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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.