Home / 11,146.18-15,381.63-6,110.31

Finding the Fourth Proportional to 11,146.18, 15,381.63 and 6,110.31

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Solution

The fourth proportional to 11,146.18, 15,381.63 and 6,110.31 is: 8,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.18 : 15,381.63 = 6,110.31 : x
  2. Step 2: Convert to fraction form
    11,146.18/15,381.63 = 6,110.31/x
  3. Step 3: Cross multiply
    11,146.18x = 15,381.63 × 6,110.31
  4. Step 4: Simplify right side
    11,146.18x = 93,986,567.80
  5. Step 5: Solve for x
    x = 93,986,567.80/11,146.18
  6. Step 6: Final answer
    x = 8,432.18

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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.