Home / 19,819.91-29,736.19-7,341.71

Finding the Fourth Proportional to 19,819.91, 29,736.19 and 7,341.71

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Solution

The fourth proportional to 19,819.91, 29,736.19 and 7,341.71 is: 11,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.91 : 29,736.19 = 7,341.71 : x
  2. Step 2: Convert to fraction form
    19,819.91/29,736.19 = 7,341.71/x
  3. Step 3: Cross multiply
    19,819.91x = 29,736.19 × 7,341.71
  4. Step 4: Simplify right side
    19,819.91x = 218,314,302.68
  5. Step 5: Solve for x
    x = 218,314,302.68/19,819.91
  6. Step 6: Final answer
    x = 11,014.90

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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.