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Finding the Fourth Proportional to 11,059.52, 15,142.48 and 11,020.64

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Solution

The fourth proportional to 11,059.52, 15,142.48 and 11,020.64 is: 15,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.52 : 15,142.48 = 11,020.64 : x
  2. Step 2: Convert to fraction form
    11,059.52/15,142.48 = 11,020.64/x
  3. Step 3: Cross multiply
    11,059.52x = 15,142.48 × 11,020.64
  4. Step 4: Simplify right side
    11,059.52x = 166,879,820.79
  5. Step 5: Solve for x
    x = 166,879,820.79/11,059.52
  6. Step 6: Final answer
    x = 15,089.25

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.