Home / 16,268.46-22,463.20-12,485.64

Finding the Fourth Proportional to 16,268.46, 22,463.20 and 12,485.64

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Solution

The fourth proportional to 16,268.46, 22,463.20 and 12,485.64 is: 17,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.46 : 22,463.20 = 12,485.64 : x
  2. Step 2: Convert to fraction form
    16,268.46/22,463.20 = 12,485.64/x
  3. Step 3: Cross multiply
    16,268.46x = 22,463.20 × 12,485.64
  4. Step 4: Simplify right side
    16,268.46x = 280,467,428.45
  5. Step 5: Solve for x
    x = 280,467,428.45/16,268.46
  6. Step 6: Final answer
    x = 17,239.95

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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.