Home / 12,251.08-16,886.82-8,270.92

Finding the Fourth Proportional to 12,251.08, 16,886.82 and 8,270.92

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Solution

The fourth proportional to 12,251.08, 16,886.82 and 8,270.92 is: 11,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.08 : 16,886.82 = 8,270.92 : x
  2. Step 2: Convert to fraction form
    12,251.08/16,886.82 = 8,270.92/x
  3. Step 3: Cross multiply
    12,251.08x = 16,886.82 × 8,270.92
  4. Step 4: Simplify right side
    12,251.08x = 139,669,537.27
  5. Step 5: Solve for x
    x = 139,669,537.27/12,251.08
  6. Step 6: Final answer
    x = 11,400.59

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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.