Home / 18,516.42-27,776.79-6,504.87

Finding the Fourth Proportional to 18,516.42, 27,776.79 and 6,504.87

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Solution

The fourth proportional to 18,516.42, 27,776.79 and 6,504.87 is: 9,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.42 : 27,776.79 = 6,504.87 : x
  2. Step 2: Convert to fraction form
    18,516.42/27,776.79 = 6,504.87/x
  3. Step 3: Cross multiply
    18,516.42x = 27,776.79 × 6,504.87
  4. Step 4: Simplify right side
    18,516.42x = 180,684,407.97
  5. Step 5: Solve for x
    x = 180,684,407.97/18,516.42
  6. Step 6: Final answer
    x = 9,758.06

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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.