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Finding the Fourth Proportional to 11,293.50, 15,585.03 and 6,325.50

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Solution

The fourth proportional to 11,293.50, 15,585.03 and 6,325.50 is: 8,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.50 : 15,585.03 = 6,325.50 : x
  2. Step 2: Convert to fraction form
    11,293.50/15,585.03 = 6,325.50/x
  3. Step 3: Cross multiply
    11,293.50x = 15,585.03 × 6,325.50
  4. Step 4: Simplify right side
    11,293.50x = 98,583,107.27
  5. Step 5: Solve for x
    x = 98,583,107.27/11,293.50
  6. Step 6: Final answer
    x = 8,729.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.