Home / 19,946.63-29,919.86-5,154.29

Finding the Fourth Proportional to 19,946.63, 29,919.86 and 5,154.29

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Solution

The fourth proportional to 19,946.63, 29,919.86 and 5,154.29 is: 7,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.63 : 29,919.86 = 5,154.29 : x
  2. Step 2: Convert to fraction form
    19,946.63/29,919.86 = 5,154.29/x
  3. Step 3: Cross multiply
    19,946.63x = 29,919.86 × 5,154.29
  4. Step 4: Simplify right side
    19,946.63x = 154,215,609.43
  5. Step 5: Solve for x
    x = 154,215,609.43/19,946.63
  6. Step 6: Final answer
    x = 7,731.41

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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.