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Finding the Fourth Proportional to 8,696, 13,036.32 and 4,251.32

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Solution

The fourth proportional to 8,696, 13,036.32 and 4,251.32 is: 6,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696 : 13,036.32 = 4,251.32 : x
  2. Step 2: Convert to fraction form
    8,696/13,036.32 = 4,251.32/x
  3. Step 3: Cross multiply
    8,696x = 13,036.32 × 4,251.32
  4. Step 4: Simplify right side
    8,696x = 55,421,567.94
  5. Step 5: Solve for x
    x = 55,421,567.94/8,696
  6. Step 6: Final answer
    x = 6,373.23

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Why These Related Problems?

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