Home / 18,631.68-27,960.06-6,944.90

Finding the Fourth Proportional to 18,631.68, 27,960.06 and 6,944.90

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Solution

The fourth proportional to 18,631.68, 27,960.06 and 6,944.90 is: 10,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.68 : 27,960.06 = 6,944.90 : x
  2. Step 2: Convert to fraction form
    18,631.68/27,960.06 = 6,944.90/x
  3. Step 3: Cross multiply
    18,631.68x = 27,960.06 × 6,944.90
  4. Step 4: Simplify right side
    18,631.68x = 194,179,820.69
  5. Step 5: Solve for x
    x = 194,179,820.69/18,631.68
  6. Step 6: Final answer
    x = 10,422.02

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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.