Home / 19,817.66-29,731.04-6,669.68

Finding the Fourth Proportional to 19,817.66, 29,731.04 and 6,669.68

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Solution

The fourth proportional to 19,817.66, 29,731.04 and 6,669.68 is: 10,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.66 : 29,731.04 = 6,669.68 : x
  2. Step 2: Convert to fraction form
    19,817.66/29,731.04 = 6,669.68/x
  3. Step 3: Cross multiply
    19,817.66x = 29,731.04 × 6,669.68
  4. Step 4: Simplify right side
    19,817.66x = 198,296,522.87
  5. Step 5: Solve for x
    x = 198,296,522.87/19,817.66
  6. Step 6: Final answer
    x = 10,006.05

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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.