Home / 11,217.53-16,826.37-3,426.35

Finding the Fourth Proportional to 11,217.53, 16,826.37 and 3,426.35

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Solution

The fourth proportional to 11,217.53, 16,826.37 and 3,426.35 is: 5,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.53 : 16,826.37 = 3,426.35 : x
  2. Step 2: Convert to fraction form
    11,217.53/16,826.37 = 3,426.35/x
  3. Step 3: Cross multiply
    11,217.53x = 16,826.37 × 3,426.35
  4. Step 4: Simplify right side
    11,217.53x = 57,652,935.87
  5. Step 5: Solve for x
    x = 57,652,935.87/11,217.53
  6. Step 6: Final answer
    x = 5,139.54

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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.