Home / 16,195.14-22,203.52-15,899.90

Finding the Fourth Proportional to 16,195.14, 22,203.52 and 15,899.90

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Solution

The fourth proportional to 16,195.14, 22,203.52 and 15,899.90 is: 21,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.14 : 22,203.52 = 15,899.90 : x
  2. Step 2: Convert to fraction form
    16,195.14/22,203.52 = 15,899.90/x
  3. Step 3: Cross multiply
    16,195.14x = 22,203.52 × 15,899.90
  4. Step 4: Simplify right side
    16,195.14x = 353,033,596.88
  5. Step 5: Solve for x
    x = 353,033,596.88/16,195.14
  6. Step 6: Final answer
    x = 21,798.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.