Home / 13,926.20-20,896.11-6,906.87

Finding the Fourth Proportional to 13,926.20, 20,896.11 and 6,906.87

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Solution

The fourth proportional to 13,926.20, 20,896.11 and 6,906.87 is: 10,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.20 : 20,896.11 = 6,906.87 : x
  2. Step 2: Convert to fraction form
    13,926.20/20,896.11 = 6,906.87/x
  3. Step 3: Cross multiply
    13,926.20x = 20,896.11 × 6,906.87
  4. Step 4: Simplify right side
    13,926.20x = 144,326,715.28
  5. Step 5: Solve for x
    x = 144,326,715.28/13,926.20
  6. Step 6: Final answer
    x = 10,363.69

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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.