Home / 10,822.68-16,236.90-3,897.72

Finding the Fourth Proportional to 10,822.68, 16,236.90 and 3,897.72

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Solution

The fourth proportional to 10,822.68, 16,236.90 and 3,897.72 is: 5,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.68 : 16,236.90 = 3,897.72 : x
  2. Step 2: Convert to fraction form
    10,822.68/16,236.90 = 3,897.72/x
  3. Step 3: Cross multiply
    10,822.68x = 16,236.90 × 3,897.72
  4. Step 4: Simplify right side
    10,822.68x = 63,286,889.87
  5. Step 5: Solve for x
    x = 63,286,889.87/10,822.68
  6. Step 6: Final answer
    x = 5,847.62

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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.