Home / 18,388.78-27,587.31-6,702.04

Finding the Fourth Proportional to 18,388.78, 27,587.31 and 6,702.04

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Solution

The fourth proportional to 18,388.78, 27,587.31 and 6,702.04 is: 10,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.78 : 27,587.31 = 6,702.04 : x
  2. Step 2: Convert to fraction form
    18,388.78/27,587.31 = 6,702.04/x
  3. Step 3: Cross multiply
    18,388.78x = 27,587.31 × 6,702.04
  4. Step 4: Simplify right side
    18,388.78x = 184,891,255.11
  5. Step 5: Solve for x
    x = 184,891,255.11/18,388.78
  6. Step 6: Final answer
    x = 10,054.57

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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.