Home / 18,934.08-28,400.04-5,082

Finding the Fourth Proportional to 18,934.08, 28,400.04 and 5,082

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Solution

The fourth proportional to 18,934.08, 28,400.04 and 5,082 is: 7,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.08 : 28,400.04 = 5,082 : x
  2. Step 2: Convert to fraction form
    18,934.08/28,400.04 = 5,082/x
  3. Step 3: Cross multiply
    18,934.08x = 28,400.04 × 5,082
  4. Step 4: Simplify right side
    18,934.08x = 144,329,003.28
  5. Step 5: Solve for x
    x = 144,329,003.28/18,934.08
  6. Step 6: Final answer
    x = 7,622.71

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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.