Home / 20,217.19-30,324.74-7,736.25

Finding the Fourth Proportional to 20,217.19, 30,324.74 and 7,736.25

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Solution

The fourth proportional to 20,217.19, 30,324.74 and 7,736.25 is: 11,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.19 : 30,324.74 = 7,736.25 : x
  2. Step 2: Convert to fraction form
    20,217.19/30,324.74 = 7,736.25/x
  3. Step 3: Cross multiply
    20,217.19x = 30,324.74 × 7,736.25
  4. Step 4: Simplify right side
    20,217.19x = 234,599,769.83
  5. Step 5: Solve for x
    x = 234,599,769.83/20,217.19
  6. Step 6: Final answer
    x = 11,603.98

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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.