Home / 16,219.80-22,357.08-11,743.80

Finding the Fourth Proportional to 16,219.80, 22,357.08 and 11,743.80

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Solution

The fourth proportional to 16,219.80, 22,357.08 and 11,743.80 is: 16,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.80 : 22,357.08 = 11,743.80 : x
  2. Step 2: Convert to fraction form
    16,219.80/22,357.08 = 11,743.80/x
  3. Step 3: Cross multiply
    16,219.80x = 22,357.08 × 11,743.80
  4. Step 4: Simplify right side
    16,219.80x = 262,557,076.10
  5. Step 5: Solve for x
    x = 262,557,076.10/16,219.80
  6. Step 6: Final answer
    x = 16,187.44

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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.