Home / 20,298.33-30,441.83-8,603.55

Finding the Fourth Proportional to 20,298.33, 30,441.83 and 8,603.55

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Solution

The fourth proportional to 20,298.33, 30,441.83 and 8,603.55 is: 12,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.33 : 30,441.83 = 8,603.55 : x
  2. Step 2: Convert to fraction form
    20,298.33/30,441.83 = 8,603.55/x
  3. Step 3: Cross multiply
    20,298.33x = 30,441.83 × 8,603.55
  4. Step 4: Simplify right side
    20,298.33x = 261,907,763.48
  5. Step 5: Solve for x
    x = 261,907,763.48/20,298.33
  6. Step 6: Final answer
    x = 12,902.92

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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.