Home / 11,715.38-16,167.22-6,410.25

Finding the Fourth Proportional to 11,715.38, 16,167.22 and 6,410.25

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Solution

The fourth proportional to 11,715.38, 16,167.22 and 6,410.25 is: 8,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.38 : 16,167.22 = 6,410.25 : x
  2. Step 2: Convert to fraction form
    11,715.38/16,167.22 = 6,410.25/x
  3. Step 3: Cross multiply
    11,715.38x = 16,167.22 × 6,410.25
  4. Step 4: Simplify right side
    11,715.38x = 103,635,905.98
  5. Step 5: Solve for x
    x = 103,635,905.98/11,715.38
  6. Step 6: Final answer
    x = 8,846.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.