Home / 19,901.87-29,787.17-11,003.51

Finding the Fourth Proportional to 19,901.87, 29,787.17 and 11,003.51

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Solution

The fourth proportional to 19,901.87, 29,787.17 and 11,003.51 is: 16,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.87 : 29,787.17 = 11,003.51 : x
  2. Step 2: Convert to fraction form
    19,901.87/29,787.17 = 11,003.51/x
  3. Step 3: Cross multiply
    19,901.87x = 29,787.17 × 11,003.51
  4. Step 4: Simplify right side
    19,901.87x = 327,763,219.01
  5. Step 5: Solve for x
    x = 327,763,219.01/19,901.87
  6. Step 6: Final answer
    x = 16,468.97

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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.