Home / 20,006.84-30,018.90-11,228.60

Finding the Fourth Proportional to 20,006.84, 30,018.90 and 11,228.60

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Solution

The fourth proportional to 20,006.84, 30,018.90 and 11,228.60 is: 16,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.84 : 30,018.90 = 11,228.60 : x
  2. Step 2: Convert to fraction form
    20,006.84/30,018.90 = 11,228.60/x
  3. Step 3: Cross multiply
    20,006.84x = 30,018.90 × 11,228.60
  4. Step 4: Simplify right side
    20,006.84x = 337,070,220.54
  5. Step 5: Solve for x
    x = 337,070,220.54/20,006.84
  6. Step 6: Final answer
    x = 16,847.75

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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.