Home / 19,892.45-29,836.85-6,743.31

Finding the Fourth Proportional to 19,892.45, 29,836.85 and 6,743.31

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Solution

The fourth proportional to 19,892.45, 29,836.85 and 6,743.31 is: 10,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.45 : 29,836.85 = 6,743.31 : x
  2. Step 2: Convert to fraction form
    19,892.45/29,836.85 = 6,743.31/x
  3. Step 3: Cross multiply
    19,892.45x = 29,836.85 × 6,743.31
  4. Step 4: Simplify right side
    19,892.45x = 201,199,095.26
  5. Step 5: Solve for x
    x = 201,199,095.26/19,892.45
  6. Step 6: Final answer
    x = 10,114.35

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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.