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Finding the Fourth Proportional to 11,649.92, 17,477.64 and 5,077.28

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Solution

The fourth proportional to 11,649.92, 17,477.64 and 5,077.28 is: 7,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.92 : 17,477.64 = 5,077.28 : x
  2. Step 2: Convert to fraction form
    11,649.92/17,477.64 = 5,077.28/x
  3. Step 3: Cross multiply
    11,649.92x = 17,477.64 × 5,077.28
  4. Step 4: Simplify right side
    11,649.92x = 88,738,872.02
  5. Step 5: Solve for x
    x = 88,738,872.02/11,649.92
  6. Step 6: Final answer
    x = 7,617.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.