Home / 19,892.11-29,838.18-11,122.24

Finding the Fourth Proportional to 19,892.11, 29,838.18 and 11,122.24

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Solution

The fourth proportional to 19,892.11, 29,838.18 and 11,122.24 is: 16,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.11 : 29,838.18 = 11,122.24 : x
  2. Step 2: Convert to fraction form
    19,892.11/29,838.18 = 11,122.24/x
  3. Step 3: Cross multiply
    19,892.11x = 29,838.18 × 11,122.24
  4. Step 4: Simplify right side
    19,892.11x = 331,867,399.12
  5. Step 5: Solve for x
    x = 331,867,399.12/19,892.11
  6. Step 6: Final answer
    x = 16,683.37

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1.5x scale

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.