Home / 18,426.32-27,630.84-6,731.36

Finding the Fourth Proportional to 18,426.32, 27,630.84 and 6,731.36

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Solution

The fourth proportional to 18,426.32, 27,630.84 and 6,731.36 is: 10,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.32 : 27,630.84 = 6,731.36 : x
  2. Step 2: Convert to fraction form
    18,426.32/27,630.84 = 6,731.36/x
  3. Step 3: Cross multiply
    18,426.32x = 27,630.84 × 6,731.36
  4. Step 4: Simplify right side
    18,426.32x = 185,993,131.14
  5. Step 5: Solve for x
    x = 185,993,131.14/18,426.32
  6. Step 6: Final answer
    x = 10,093.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.