Home / 16,065.88-22,175.58-9,789.64

Finding the Fourth Proportional to 16,065.88, 22,175.58 and 9,789.64

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Solution

The fourth proportional to 16,065.88, 22,175.58 and 9,789.64 is: 13,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.88 : 22,175.58 = 9,789.64 : x
  2. Step 2: Convert to fraction form
    16,065.88/22,175.58 = 9,789.64/x
  3. Step 3: Cross multiply
    16,065.88x = 22,175.58 × 9,789.64
  4. Step 4: Simplify right side
    16,065.88x = 217,090,944.99
  5. Step 5: Solve for x
    x = 217,090,944.99/16,065.88
  6. Step 6: Final answer
    x = 13,512.55

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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.