Home / 19,787.86-29,677.13-5,744.19

Finding the Fourth Proportional to 19,787.86, 29,677.13 and 5,744.19

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Solution

The fourth proportional to 19,787.86, 29,677.13 and 5,744.19 is: 8,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.86 : 29,677.13 = 5,744.19 : x
  2. Step 2: Convert to fraction form
    19,787.86/29,677.13 = 5,744.19/x
  3. Step 3: Cross multiply
    19,787.86x = 29,677.13 × 5,744.19
  4. Step 4: Simplify right side
    19,787.86x = 170,471,073.37
  5. Step 5: Solve for x
    x = 170,471,073.37/19,787.86
  6. Step 6: Final answer
    x = 8,614.93

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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.