Home / 19,308.78-28,963.68-6,161.14

Finding the Fourth Proportional to 19,308.78, 28,963.68 and 6,161.14

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Solution

The fourth proportional to 19,308.78, 28,963.68 and 6,161.14 is: 9,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.78 : 28,963.68 = 6,161.14 : x
  2. Step 2: Convert to fraction form
    19,308.78/28,963.68 = 6,161.14/x
  3. Step 3: Cross multiply
    19,308.78x = 28,963.68 × 6,161.14
  4. Step 4: Simplify right side
    19,308.78x = 178,449,219.04
  5. Step 5: Solve for x
    x = 178,449,219.04/19,308.78
  6. Step 6: Final answer
    x = 9,241.87

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1.5x scale

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.