Home / 19,946.38-29,919.48-5,154.04

Finding the Fourth Proportional to 19,946.38, 29,919.48 and 5,154.04

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Solution

The fourth proportional to 19,946.38, 29,919.48 and 5,154.04 is: 7,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.38 : 29,919.48 = 5,154.04 : x
  2. Step 2: Convert to fraction form
    19,946.38/29,919.48 = 5,154.04/x
  3. Step 3: Cross multiply
    19,946.38x = 29,919.48 × 5,154.04
  4. Step 4: Simplify right side
    19,946.38x = 154,206,196.70
  5. Step 5: Solve for x
    x = 154,206,196.70/19,946.38
  6. Step 6: Final answer
    x = 7,731.04

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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.