Home / 16,228.56-22,391.64-11,197.20

Finding the Fourth Proportional to 16,228.56, 22,391.64 and 11,197.20

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Solution

The fourth proportional to 16,228.56, 22,391.64 and 11,197.20 is: 15,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.56 : 22,391.64 = 11,197.20 : x
  2. Step 2: Convert to fraction form
    16,228.56/22,391.64 = 11,197.20/x
  3. Step 3: Cross multiply
    16,228.56x = 22,391.64 × 11,197.20
  4. Step 4: Simplify right side
    16,228.56x = 250,723,671.41
  5. Step 5: Solve for x
    x = 250,723,671.41/16,228.56
  6. Step 6: Final answer
    x = 15,449.53

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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.