Home / 19,189.80-28,787.32-6,706.93

Finding the Fourth Proportional to 19,189.80, 28,787.32 and 6,706.93

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Solution

The fourth proportional to 19,189.80, 28,787.32 and 6,706.93 is: 10,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.80 : 28,787.32 = 6,706.93 : x
  2. Step 2: Convert to fraction form
    19,189.80/28,787.32 = 6,706.93/x
  3. Step 3: Cross multiply
    19,189.80x = 28,787.32 × 6,706.93
  4. Step 4: Simplify right side
    19,189.80x = 193,074,540.13
  5. Step 5: Solve for x
    x = 193,074,540.13/19,189.80
  6. Step 6: Final answer
    x = 10,061.31

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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.