Home / 13,190.13-19,787.14-3,828.93

Finding the Fourth Proportional to 13,190.13, 19,787.14 and 3,828.93

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Solution

The fourth proportional to 13,190.13, 19,787.14 and 3,828.93 is: 5,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.13 : 19,787.14 = 3,828.93 : x
  2. Step 2: Convert to fraction form
    13,190.13/19,787.14 = 3,828.93/x
  3. Step 3: Cross multiply
    13,190.13x = 19,787.14 × 3,828.93
  4. Step 4: Simplify right side
    13,190.13x = 75,763,573.96
  5. Step 5: Solve for x
    x = 75,763,573.96/13,190.13
  6. Step 6: Final answer
    x = 5,743.96

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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.