Home / 10,789.39-16,184.07-3,394.50

Finding the Fourth Proportional to 10,789.39, 16,184.07 and 3,394.50

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Solution

The fourth proportional to 10,789.39, 16,184.07 and 3,394.50 is: 5,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.39 : 16,184.07 = 3,394.50 : x
  2. Step 2: Convert to fraction form
    10,789.39/16,184.07 = 3,394.50/x
  3. Step 3: Cross multiply
    10,789.39x = 16,184.07 × 3,394.50
  4. Step 4: Simplify right side
    10,789.39x = 54,936,825.62
  5. Step 5: Solve for x
    x = 54,936,825.62/10,789.39
  6. Step 6: Final answer
    x = 5,091.75

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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.