Home / 19,874.30-29,811.61-5,834.55

Finding the Fourth Proportional to 19,874.30, 29,811.61 and 5,834.55

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Solution

The fourth proportional to 19,874.30, 29,811.61 and 5,834.55 is: 8,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.30 : 29,811.61 = 5,834.55 : x
  2. Step 2: Convert to fraction form
    19,874.30/29,811.61 = 5,834.55/x
  3. Step 3: Cross multiply
    19,874.30x = 29,811.61 × 5,834.55
  4. Step 4: Simplify right side
    19,874.30x = 173,937,448.21
  5. Step 5: Solve for x
    x = 173,937,448.21/19,874.30
  6. Step 6: Final answer
    x = 8,751.88

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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.