Home / 19,289.88-28,934.52-6,142.14

Finding the Fourth Proportional to 19,289.88, 28,934.52 and 6,142.14

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Solution

The fourth proportional to 19,289.88, 28,934.52 and 6,142.14 is: 9,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.88 : 28,934.52 = 6,142.14 : x
  2. Step 2: Convert to fraction form
    19,289.88/28,934.52 = 6,142.14/x
  3. Step 3: Cross multiply
    19,289.88x = 28,934.52 × 6,142.14
  4. Step 4: Simplify right side
    19,289.88x = 177,719,872.67
  5. Step 5: Solve for x
    x = 177,719,872.67/19,289.88
  6. Step 6: Final answer
    x = 9,213.11

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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.