Home / 14,919.11-22,358.49-5,680.07

Finding the Fourth Proportional to 14,919.11, 22,358.49 and 5,680.07

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Solution

The fourth proportional to 14,919.11, 22,358.49 and 5,680.07 is: 8,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.11 : 22,358.49 = 5,680.07 : x
  2. Step 2: Convert to fraction form
    14,919.11/22,358.49 = 5,680.07/x
  3. Step 3: Cross multiply
    14,919.11x = 22,358.49 × 5,680.07
  4. Step 4: Simplify right side
    14,919.11x = 126,997,788.29
  5. Step 5: Solve for x
    x = 126,997,788.29/14,919.11
  6. Step 6: Final answer
    x = 8,512.42

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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.