Home / 11,116.17-15,342.21-6,403.19

Finding the Fourth Proportional to 11,116.17, 15,342.21 and 6,403.19

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Solution

The fourth proportional to 11,116.17, 15,342.21 and 6,403.19 is: 8,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.17 : 15,342.21 = 6,403.19 : x
  2. Step 2: Convert to fraction form
    11,116.17/15,342.21 = 6,403.19/x
  3. Step 3: Cross multiply
    11,116.17x = 15,342.21 × 6,403.19
  4. Step 4: Simplify right side
    11,116.17x = 98,239,008.94
  5. Step 5: Solve for x
    x = 98,239,008.94/11,116.17
  6. Step 6: Final answer
    x = 8,837.49

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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.