Home / 20,394.19-30,591.33-7,246.54

Finding the Fourth Proportional to 20,394.19, 30,591.33 and 7,246.54

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Solution

The fourth proportional to 20,394.19, 30,591.33 and 7,246.54 is: 10,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.19 : 30,591.33 = 7,246.54 : x
  2. Step 2: Convert to fraction form
    20,394.19/30,591.33 = 7,246.54/x
  3. Step 3: Cross multiply
    20,394.19x = 30,591.33 × 7,246.54
  4. Step 4: Simplify right side
    20,394.19x = 221,681,296.50
  5. Step 5: Solve for x
    x = 221,681,296.50/20,394.19
  6. Step 6: Final answer
    x = 10,869.83

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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.