Home / 13,395.75-20,106.03-6,826.83

Finding the Fourth Proportional to 13,395.75, 20,106.03 and 6,826.83

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Solution

The fourth proportional to 13,395.75, 20,106.03 and 6,826.83 is: 10,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.75 : 20,106.03 = 6,826.83 : x
  2. Step 2: Convert to fraction form
    13,395.75/20,106.03 = 6,826.83/x
  3. Step 3: Cross multiply
    13,395.75x = 20,106.03 × 6,826.83
  4. Step 4: Simplify right side
    13,395.75x = 137,260,448.78
  5. Step 5: Solve for x
    x = 137,260,448.78/13,395.75
  6. Step 6: Final answer
    x = 10,246.57

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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.