Home / 19,171.30-26,456.34-10,787.80

Finding the Fourth Proportional to 19,171.30, 26,456.34 and 10,787.80

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Solution

The fourth proportional to 19,171.30, 26,456.34 and 10,787.80 is: 14,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.30 : 26,456.34 = 10,787.80 : x
  2. Step 2: Convert to fraction form
    19,171.30/26,456.34 = 10,787.80/x
  3. Step 3: Cross multiply
    19,171.30x = 26,456.34 × 10,787.80
  4. Step 4: Simplify right side
    19,171.30x = 285,405,704.65
  5. Step 5: Solve for x
    x = 285,405,704.65/19,171.30
  6. Step 6: Final answer
    x = 14,887.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.