Home / 13,835.91-19,094.09-7,868.12

Finding the Fourth Proportional to 13,835.91, 19,094.09 and 7,868.12

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Solution

The fourth proportional to 13,835.91, 19,094.09 and 7,868.12 is: 10,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.91 : 19,094.09 = 7,868.12 : x
  2. Step 2: Convert to fraction form
    13,835.91/19,094.09 = 7,868.12/x
  3. Step 3: Cross multiply
    13,835.91x = 19,094.09 × 7,868.12
  4. Step 4: Simplify right side
    13,835.91x = 150,234,591.41
  5. Step 5: Solve for x
    x = 150,234,591.41/13,835.91
  6. Step 6: Final answer
    x = 10,858.31

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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.