Home / 19,819.01-29,731.59-6,670.36

Finding the Fourth Proportional to 19,819.01, 29,731.59 and 6,670.36

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Solution

The fourth proportional to 19,819.01, 29,731.59 and 6,670.36 is: 10,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.01 : 29,731.59 = 6,670.36 : x
  2. Step 2: Convert to fraction form
    19,819.01/29,731.59 = 6,670.36/x
  3. Step 3: Cross multiply
    19,819.01x = 29,731.59 × 6,670.36
  4. Step 4: Simplify right side
    19,819.01x = 198,320,260.01
  5. Step 5: Solve for x
    x = 198,320,260.01/19,819.01
  6. Step 6: Final answer
    x = 10,006.57

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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.