Home / 19,822.90-29,731.11-7,339.99

Finding the Fourth Proportional to 19,822.90, 29,731.11 and 7,339.99

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Solution

The fourth proportional to 19,822.90, 29,731.11 and 7,339.99 is: 11,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.90 : 29,731.11 = 7,339.99 : x
  2. Step 2: Convert to fraction form
    19,822.90/29,731.11 = 7,339.99/x
  3. Step 3: Cross multiply
    19,822.90x = 29,731.11 × 7,339.99
  4. Step 4: Simplify right side
    19,822.90x = 218,226,050.09
  5. Step 5: Solve for x
    x = 218,226,050.09/19,822.90
  6. Step 6: Final answer
    x = 11,008.79

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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.