Home / 12,134.97-18,201.80-4,235.04

Finding the Fourth Proportional to 12,134.97, 18,201.80 and 4,235.04

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Solution

The fourth proportional to 12,134.97, 18,201.80 and 4,235.04 is: 6,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.97 : 18,201.80 = 4,235.04 : x
  2. Step 2: Convert to fraction form
    12,134.97/18,201.80 = 4,235.04/x
  3. Step 3: Cross multiply
    12,134.97x = 18,201.80 × 4,235.04
  4. Step 4: Simplify right side
    12,134.97x = 77,085,329.90
  5. Step 5: Solve for x
    x = 77,085,329.90/12,134.97
  6. Step 6: Final answer
    x = 6,352.33

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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.