Home / 19,330.38-28,994.49-6,849.90

Finding the Fourth Proportional to 19,330.38, 28,994.49 and 6,849.90

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Solution

The fourth proportional to 19,330.38, 28,994.49 and 6,849.90 is: 10,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.38 : 28,994.49 = 6,849.90 : x
  2. Step 2: Convert to fraction form
    19,330.38/28,994.49 = 6,849.90/x
  3. Step 3: Cross multiply
    19,330.38x = 28,994.49 × 6,849.90
  4. Step 4: Simplify right side
    19,330.38x = 198,609,357.05
  5. Step 5: Solve for x
    x = 198,609,357.05/19,330.38
  6. Step 6: Final answer
    x = 10,274.47

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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.