Home / 11,118.51-15,342.97-6,081.75

Finding the Fourth Proportional to 11,118.51, 15,342.97 and 6,081.75

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Solution

The fourth proportional to 11,118.51, 15,342.97 and 6,081.75 is: 8,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.51 : 15,342.97 = 6,081.75 : x
  2. Step 2: Convert to fraction form
    11,118.51/15,342.97 = 6,081.75/x
  3. Step 3: Cross multiply
    11,118.51x = 15,342.97 × 6,081.75
  4. Step 4: Simplify right side
    11,118.51x = 93,312,107.80
  5. Step 5: Solve for x
    x = 93,312,107.80/11,118.51
  6. Step 6: Final answer
    x = 8,392.50

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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.