Home / 16,555.20-22,823.82-11,240.80

Finding the Fourth Proportional to 16,555.20, 22,823.82 and 11,240.80

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Solution

The fourth proportional to 16,555.20, 22,823.82 and 11,240.80 is: 15,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.20 : 22,823.82 = 11,240.80 : x
  2. Step 2: Convert to fraction form
    16,555.20/22,823.82 = 11,240.80/x
  3. Step 3: Cross multiply
    16,555.20x = 22,823.82 × 11,240.80
  4. Step 4: Simplify right side
    16,555.20x = 256,557,995.86
  5. Step 5: Solve for x
    x = 256,557,995.86/16,555.20
  6. Step 6: Final answer
    x = 15,497.12

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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.