Home / 18,995.08-28,492.54-5,144.04

Finding the Fourth Proportional to 18,995.08, 28,492.54 and 5,144.04

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Solution

The fourth proportional to 18,995.08, 28,492.54 and 5,144.04 is: 7,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.08 : 28,492.54 = 5,144.04 : x
  2. Step 2: Convert to fraction form
    18,995.08/28,492.54 = 5,144.04/x
  3. Step 3: Cross multiply
    18,995.08x = 28,492.54 × 5,144.04
  4. Step 4: Simplify right side
    18,995.08x = 146,566,765.46
  5. Step 5: Solve for x
    x = 146,566,765.46/18,995.08
  6. Step 6: Final answer
    x = 7,716.04

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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.