Home / 13,950.05-20,914.13-6,550.70

Finding the Fourth Proportional to 13,950.05, 20,914.13 and 6,550.70

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Solution

The fourth proportional to 13,950.05, 20,914.13 and 6,550.70 is: 9,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.05 : 20,914.13 = 6,550.70 : x
  2. Step 2: Convert to fraction form
    13,950.05/20,914.13 = 6,550.70/x
  3. Step 3: Cross multiply
    13,950.05x = 20,914.13 × 6,550.70
  4. Step 4: Simplify right side
    13,950.05x = 137,002,103.20
  5. Step 5: Solve for x
    x = 137,002,103.20/13,950.05
  6. Step 6: Final answer
    x = 9,820.91

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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.