Home / 8,723.97-13,068.90-6,972.66

Finding the Fourth Proportional to 8,723.97, 13,068.90 and 6,972.66

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Solution

The fourth proportional to 8,723.97, 13,068.90 and 6,972.66 is: 10,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.97 : 13,068.90 = 6,972.66 : x
  2. Step 2: Convert to fraction form
    8,723.97/13,068.90 = 6,972.66/x
  3. Step 3: Cross multiply
    8,723.97x = 13,068.90 × 6,972.66
  4. Step 4: Simplify right side
    8,723.97x = 91,124,996.27
  5. Step 5: Solve for x
    x = 91,124,996.27/8,723.97
  6. Step 6: Final answer
    x = 10,445.36

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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.