Home / 8,623.98-12,942.48-6,913.26

Finding the Fourth Proportional to 8,623.98, 12,942.48 and 6,913.26

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Solution

The fourth proportional to 8,623.98, 12,942.48 and 6,913.26 is: 10,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.98 : 12,942.48 = 6,913.26 : x
  2. Step 2: Convert to fraction form
    8,623.98/12,942.48 = 6,913.26/x
  3. Step 3: Cross multiply
    8,623.98x = 12,942.48 × 6,913.26
  4. Step 4: Simplify right side
    8,623.98x = 89,474,729.28
  5. Step 5: Solve for x
    x = 89,474,729.28/8,623.98
  6. Step 6: Final answer
    x = 10,375.11

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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.