Home / 20,216.92-30,324.35-7,735.98

Finding the Fourth Proportional to 20,216.92, 30,324.35 and 7,735.98

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Solution

The fourth proportional to 20,216.92, 30,324.35 and 7,735.98 is: 11,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.92 : 30,324.35 = 7,735.98 : x
  2. Step 2: Convert to fraction form
    20,216.92/30,324.35 = 7,735.98/x
  3. Step 3: Cross multiply
    20,216.92x = 30,324.35 × 7,735.98
  4. Step 4: Simplify right side
    20,216.92x = 234,588,565.11
  5. Step 5: Solve for x
    x = 234,588,565.11/20,216.92
  6. Step 6: Final answer
    x = 11,603.58

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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.