Home / 11,816.61-16,306.95-6,511.30

Finding the Fourth Proportional to 11,816.61, 16,306.95 and 6,511.30

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Solution

The fourth proportional to 11,816.61, 16,306.95 and 6,511.30 is: 8,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.61 : 16,306.95 = 6,511.30 : x
  2. Step 2: Convert to fraction form
    11,816.61/16,306.95 = 6,511.30/x
  3. Step 3: Cross multiply
    11,816.61x = 16,306.95 × 6,511.30
  4. Step 4: Simplify right side
    11,816.61x = 106,179,443.54
  5. Step 5: Solve for x
    x = 106,179,443.54/11,816.61
  6. Step 6: Final answer
    x = 8,985.61

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Similar ratio
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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.