Home / 16,169.15-22,313.75-9,796.78

Finding the Fourth Proportional to 16,169.15, 22,313.75 and 9,796.78

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Solution

The fourth proportional to 16,169.15, 22,313.75 and 9,796.78 is: 13,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,169.15 : 22,313.75 = 9,796.78 : x
  2. Step 2: Convert to fraction form
    16,169.15/22,313.75 = 9,796.78/x
  3. Step 3: Cross multiply
    16,169.15x = 22,313.75 × 9,796.78
  4. Step 4: Simplify right side
    16,169.15x = 218,602,878.63
  5. Step 5: Solve for x
    x = 218,602,878.63/16,169.15
  6. Step 6: Final answer
    x = 13,519.75

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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.