Home / 19,895.72-29,842.78-6,748.12

Finding the Fourth Proportional to 19,895.72, 29,842.78 and 6,748.12

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Solution

The fourth proportional to 19,895.72, 29,842.78 and 6,748.12 is: 10,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.72 : 29,842.78 = 6,748.12 : x
  2. Step 2: Convert to fraction form
    19,895.72/29,842.78 = 6,748.12/x
  3. Step 3: Cross multiply
    19,895.72x = 29,842.78 × 6,748.12
  4. Step 4: Simplify right side
    19,895.72x = 201,382,660.57
  5. Step 5: Solve for x
    x = 201,382,660.57/19,895.72
  6. Step 6: Final answer
    x = 10,121.91

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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.