Home / 12,934.38-19,405.62-5,441.88

Finding the Fourth Proportional to 12,934.38, 19,405.62 and 5,441.88

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Solution

The fourth proportional to 12,934.38, 19,405.62 and 5,441.88 is: 8,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.38 : 19,405.62 = 5,441.88 : x
  2. Step 2: Convert to fraction form
    12,934.38/19,405.62 = 5,441.88/x
  3. Step 3: Cross multiply
    12,934.38x = 19,405.62 × 5,441.88
  4. Step 4: Simplify right side
    12,934.38x = 105,603,055.37
  5. Step 5: Solve for x
    x = 105,603,055.37/12,934.38
  6. Step 6: Final answer
    x = 8,164.52

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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.