Home / 16,194.36-22,202.55-15,899.16

Finding the Fourth Proportional to 16,194.36, 22,202.55 and 15,899.16

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Solution

The fourth proportional to 16,194.36, 22,202.55 and 15,899.16 is: 21,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,194.36 : 22,202.55 = 15,899.16 : x
  2. Step 2: Convert to fraction form
    16,194.36/22,202.55 = 15,899.16/x
  3. Step 3: Cross multiply
    16,194.36x = 22,202.55 × 15,899.16
  4. Step 4: Simplify right side
    16,194.36x = 353,001,894.86
  5. Step 5: Solve for x
    x = 353,001,894.86/16,194.36
  6. Step 6: Final answer
    x = 21,797.83

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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.