Home / 16,138.88-22,270.44-9,063.92

Finding the Fourth Proportional to 16,138.88, 22,270.44 and 9,063.92

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Solution

The fourth proportional to 16,138.88, 22,270.44 and 9,063.92 is: 12,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.88 : 22,270.44 = 9,063.92 : x
  2. Step 2: Convert to fraction form
    16,138.88/22,270.44 = 9,063.92/x
  3. Step 3: Cross multiply
    16,138.88x = 22,270.44 × 9,063.92
  4. Step 4: Simplify right side
    16,138.88x = 201,857,486.52
  5. Step 5: Solve for x
    x = 201,857,486.52/16,138.88
  6. Step 6: Final answer
    x = 12,507.53

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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.