Home / 12,723.39-19,065.61-6,801.11

Finding the Fourth Proportional to 12,723.39, 19,065.61 and 6,801.11

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Solution

The fourth proportional to 12,723.39, 19,065.61 and 6,801.11 is: 10,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.39 : 19,065.61 = 6,801.11 : x
  2. Step 2: Convert to fraction form
    12,723.39/19,065.61 = 6,801.11/x
  3. Step 3: Cross multiply
    12,723.39x = 19,065.61 × 6,801.11
  4. Step 4: Simplify right side
    12,723.39x = 129,667,310.83
  5. Step 5: Solve for x
    x = 129,667,310.83/12,723.39
  6. Step 6: Final answer
    x = 10,191.26

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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.