Home / 16,286.63-22,451.05-12,743.69

Finding the Fourth Proportional to 16,286.63, 22,451.05 and 12,743.69

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Solution

The fourth proportional to 16,286.63, 22,451.05 and 12,743.69 is: 17,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.63 : 22,451.05 = 12,743.69 : x
  2. Step 2: Convert to fraction form
    16,286.63/22,451.05 = 12,743.69/x
  3. Step 3: Cross multiply
    16,286.63x = 22,451.05 × 12,743.69
  4. Step 4: Simplify right side
    16,286.63x = 286,109,221.37
  5. Step 5: Solve for x
    x = 286,109,221.37/16,286.63
  6. Step 6: Final answer
    x = 17,567.12

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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.