Home / 11,660.80-16,092.40-6,355.91

Finding the Fourth Proportional to 11,660.80, 16,092.40 and 6,355.91

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Solution

The fourth proportional to 11,660.80, 16,092.40 and 6,355.91 is: 8,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.80 : 16,092.40 = 6,355.91 : x
  2. Step 2: Convert to fraction form
    11,660.80/16,092.40 = 6,355.91/x
  3. Step 3: Cross multiply
    11,660.80x = 16,092.40 × 6,355.91
  4. Step 4: Simplify right side
    11,660.80x = 102,281,846.08
  5. Step 5: Solve for x
    x = 102,281,846.08/11,660.80
  6. Step 6: Final answer
    x = 8,771.43

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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.