Home / 18,651.64-27,977.56-6,964.76

Finding the Fourth Proportional to 18,651.64, 27,977.56 and 6,964.76

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Solution

The fourth proportional to 18,651.64, 27,977.56 and 6,964.76 is: 10,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.64 : 27,977.56 = 6,964.76 : x
  2. Step 2: Convert to fraction form
    18,651.64/27,977.56 = 6,964.76/x
  3. Step 3: Cross multiply
    18,651.64x = 27,977.56 × 6,964.76
  4. Step 4: Simplify right side
    18,651.64x = 194,856,990.79
  5. Step 5: Solve for x
    x = 194,856,990.79/18,651.64
  6. Step 6: Final answer
    x = 10,447.18

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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.