Home / 15,996.45-22,067.93-9,278.16

Finding the Fourth Proportional to 15,996.45, 22,067.93 and 9,278.16

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Solution

The fourth proportional to 15,996.45, 22,067.93 and 9,278.16 is: 12,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.45 : 22,067.93 = 9,278.16 : x
  2. Step 2: Convert to fraction form
    15,996.45/22,067.93 = 9,278.16/x
  3. Step 3: Cross multiply
    15,996.45x = 22,067.93 × 9,278.16
  4. Step 4: Simplify right side
    15,996.45x = 204,749,739.02
  5. Step 5: Solve for x
    x = 204,749,739.02/15,996.45
  6. Step 6: Final answer
    x = 12,799.70

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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.