Home / 18,521.16-27,785.84-6,834.38

Finding the Fourth Proportional to 18,521.16, 27,785.84 and 6,834.38

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Solution

The fourth proportional to 18,521.16, 27,785.84 and 6,834.38 is: 10,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.16 : 27,785.84 = 6,834.38 : x
  2. Step 2: Convert to fraction form
    18,521.16/27,785.84 = 6,834.38/x
  3. Step 3: Cross multiply
    18,521.16x = 27,785.84 × 6,834.38
  4. Step 4: Simplify right side
    18,521.16x = 189,898,816.08
  5. Step 5: Solve for x
    x = 189,898,816.08/18,521.16
  6. Step 6: Final answer
    x = 10,253.08

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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.