Home / 11,216.20-16,816.20-6,287.35

Finding the Fourth Proportional to 11,216.20, 16,816.20 and 6,287.35

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Solution

The fourth proportional to 11,216.20, 16,816.20 and 6,287.35 is: 9,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.20 : 16,816.20 = 6,287.35 : x
  2. Step 2: Convert to fraction form
    11,216.20/16,816.20 = 6,287.35/x
  3. Step 3: Cross multiply
    11,216.20x = 16,816.20 × 6,287.35
  4. Step 4: Simplify right side
    11,216.20x = 105,729,335.07
  5. Step 5: Solve for x
    x = 105,729,335.07/11,216.20
  6. Step 6: Final answer
    x = 9,426.48

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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.