Home / 11,871.46-16,382.08-6,493.77

Finding the Fourth Proportional to 11,871.46, 16,382.08 and 6,493.77

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Solution

The fourth proportional to 11,871.46, 16,382.08 and 6,493.77 is: 8,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.46 : 16,382.08 = 6,493.77 : x
  2. Step 2: Convert to fraction form
    11,871.46/16,382.08 = 6,493.77/x
  3. Step 3: Cross multiply
    11,871.46x = 16,382.08 × 6,493.77
  4. Step 4: Simplify right side
    11,871.46x = 106,381,467.76
  5. Step 5: Solve for x
    x = 106,381,467.76/11,871.46
  6. Step 6: Final answer
    x = 8,961.11

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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.