Home / 13,363.99-20,050.43-4,480.20

Finding the Fourth Proportional to 13,363.99, 20,050.43 and 4,480.20

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Solution

The fourth proportional to 13,363.99, 20,050.43 and 4,480.20 is: 6,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.99 : 20,050.43 = 4,480.20 : x
  2. Step 2: Convert to fraction form
    13,363.99/20,050.43 = 4,480.20/x
  3. Step 3: Cross multiply
    13,363.99x = 20,050.43 × 4,480.20
  4. Step 4: Simplify right side
    13,363.99x = 89,829,873.60
  5. Step 5: Solve for x
    x = 89,829,873.60/13,363.99
  6. Step 6: Final answer
    x = 6,721.79

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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.