Home / 11,282.20-16,923.30-11,087.80

Finding the Fourth Proportional to 11,282.20, 16,923.30 and 11,087.80

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Solution

The fourth proportional to 11,282.20, 16,923.30 and 11,087.80 is: 16,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.20 : 16,923.30 = 11,087.80 : x
  2. Step 2: Convert to fraction form
    11,282.20/16,923.30 = 11,087.80/x
  3. Step 3: Cross multiply
    11,282.20x = 16,923.30 × 11,087.80
  4. Step 4: Simplify right side
    11,282.20x = 187,642,165.74
  5. Step 5: Solve for x
    x = 187,642,165.74/11,282.20
  6. Step 6: Final answer
    x = 16,631.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.