Home / 16,863.66-23,271.72-9,309.99

Finding the Fourth Proportional to 16,863.66, 23,271.72 and 9,309.99

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Solution

The fourth proportional to 16,863.66, 23,271.72 and 9,309.99 is: 12,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.66 : 23,271.72 = 9,309.99 : x
  2. Step 2: Convert to fraction form
    16,863.66/23,271.72 = 9,309.99/x
  3. Step 3: Cross multiply
    16,863.66x = 23,271.72 × 9,309.99
  4. Step 4: Simplify right side
    16,863.66x = 216,659,480.48
  5. Step 5: Solve for x
    x = 216,659,480.48/16,863.66
  6. Step 6: Final answer
    x = 12,847.71

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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.