Home / 13,441.99-20,160.71-4,079.75

Finding the Fourth Proportional to 13,441.99, 20,160.71 and 4,079.75

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Solution

The fourth proportional to 13,441.99, 20,160.71 and 4,079.75 is: 6,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.99 : 20,160.71 = 4,079.75 : x
  2. Step 2: Convert to fraction form
    13,441.99/20,160.71 = 4,079.75/x
  3. Step 3: Cross multiply
    13,441.99x = 20,160.71 × 4,079.75
  4. Step 4: Simplify right side
    13,441.99x = 82,250,656.62
  5. Step 5: Solve for x
    x = 82,250,656.62/13,441.99
  6. Step 6: Final answer
    x = 6,118.93

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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.