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Finding the Fourth Proportional to 11,348.92, 15,661.56 and 6,632.20

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Solution

The fourth proportional to 11,348.92, 15,661.56 and 6,632.20 is: 9,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.92 : 15,661.56 = 6,632.20 : x
  2. Step 2: Convert to fraction form
    11,348.92/15,661.56 = 6,632.20/x
  3. Step 3: Cross multiply
    11,348.92x = 15,661.56 × 6,632.20
  4. Step 4: Simplify right side
    11,348.92x = 103,870,598.23
  5. Step 5: Solve for x
    x = 103,870,598.23/11,348.92
  6. Step 6: Final answer
    x = 9,152.47

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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.