Home / 11,191.98-15,445.31-6,156.59

Finding the Fourth Proportional to 11,191.98, 15,445.31 and 6,156.59

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Solution

The fourth proportional to 11,191.98, 15,445.31 and 6,156.59 is: 8,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.98 : 15,445.31 = 6,156.59 : x
  2. Step 2: Convert to fraction form
    11,191.98/15,445.31 = 6,156.59/x
  3. Step 3: Cross multiply
    11,191.98x = 15,445.31 × 6,156.59
  4. Step 4: Simplify right side
    11,191.98x = 95,090,448.92
  5. Step 5: Solve for x
    x = 95,090,448.92/11,191.98
  6. Step 6: Final answer
    x = 8,496.30

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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.