Home / 18,618.08-27,921.72-5,468

Finding the Fourth Proportional to 18,618.08, 27,921.72 and 5,468

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Solution

The fourth proportional to 18,618.08, 27,921.72 and 5,468 is: 8,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.08 : 27,921.72 = 5,468 : x
  2. Step 2: Convert to fraction form
    18,618.08/27,921.72 = 5,468/x
  3. Step 3: Cross multiply
    18,618.08x = 27,921.72 × 5,468
  4. Step 4: Simplify right side
    18,618.08x = 152,675,964.96
  5. Step 5: Solve for x
    x = 152,675,964.96/18,618.08
  6. Step 6: Final answer
    x = 8,200.41

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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.