Home / 19,519.55-29,279.57-6,869.69

Finding the Fourth Proportional to 19,519.55, 29,279.57 and 6,869.69

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Solution

The fourth proportional to 19,519.55, 29,279.57 and 6,869.69 is: 10,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.55 : 29,279.57 = 6,869.69 : x
  2. Step 2: Convert to fraction form
    19,519.55/29,279.57 = 6,869.69/x
  3. Step 3: Cross multiply
    19,519.55x = 29,279.57 × 6,869.69
  4. Step 4: Simplify right side
    19,519.55x = 201,141,435.26
  5. Step 5: Solve for x
    x = 201,141,435.26/19,519.55
  6. Step 6: Final answer
    x = 10,304.62

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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.