Home / 19,926.81-29,892.24-6,780.11

Finding the Fourth Proportional to 19,926.81, 29,892.24 and 6,780.11

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Solution

The fourth proportional to 19,926.81, 29,892.24 and 6,780.11 is: 10,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.81 : 29,892.24 = 6,780.11 : x
  2. Step 2: Convert to fraction form
    19,926.81/29,892.24 = 6,780.11/x
  3. Step 3: Cross multiply
    19,926.81x = 29,892.24 × 6,780.11
  4. Step 4: Simplify right side
    19,926.81x = 202,672,525.89
  5. Step 5: Solve for x
    x = 202,672,525.89/19,926.81
  6. Step 6: Final answer
    x = 10,170.85

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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.