Home / 9,114.78-13,677.93-5,226.78

Finding the Fourth Proportional to 9,114.78, 13,677.93 and 5,226.78

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Solution

The fourth proportional to 9,114.78, 13,677.93 and 5,226.78 is: 7,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.78 : 13,677.93 = 5,226.78 : x
  2. Step 2: Convert to fraction form
    9,114.78/13,677.93 = 5,226.78/x
  3. Step 3: Cross multiply
    9,114.78x = 13,677.93 × 5,226.78
  4. Step 4: Simplify right side
    9,114.78x = 71,491,530.97
  5. Step 5: Solve for x
    x = 71,491,530.97/9,114.78
  6. Step 6: Final answer
    x = 7,843.47

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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.