Home / 13,108.23-18,095.58-8,395.29

Finding the Fourth Proportional to 13,108.23, 18,095.58 and 8,395.29

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Solution

The fourth proportional to 13,108.23, 18,095.58 and 8,395.29 is: 11,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.23 : 18,095.58 = 8,395.29 : x
  2. Step 2: Convert to fraction form
    13,108.23/18,095.58 = 8,395.29/x
  3. Step 3: Cross multiply
    13,108.23x = 18,095.58 × 8,395.29
  4. Step 4: Simplify right side
    13,108.23x = 151,917,641.82
  5. Step 5: Solve for x
    x = 151,917,641.82/13,108.23
  6. Step 6: Final answer
    x = 11,589.49

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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.