Home / 15,991.46-22,067.86-9,277.72

Finding the Fourth Proportional to 15,991.46, 22,067.86 and 9,277.72

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Solution

The fourth proportional to 15,991.46, 22,067.86 and 9,277.72 is: 12,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.46 : 22,067.86 = 9,277.72 : x
  2. Step 2: Convert to fraction form
    15,991.46/22,067.86 = 9,277.72/x
  3. Step 3: Cross multiply
    15,991.46x = 22,067.86 × 9,277.72
  4. Step 4: Simplify right side
    15,991.46x = 204,739,426.08
  5. Step 5: Solve for x
    x = 204,739,426.08/15,991.46
  6. Step 6: Final answer
    x = 12,803.05

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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.