Home / 11,818.46-17,710.99-6,555.80

Finding the Fourth Proportional to 11,818.46, 17,710.99 and 6,555.80

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Solution

The fourth proportional to 11,818.46, 17,710.99 and 6,555.80 is: 9,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.46 : 17,710.99 = 6,555.80 : x
  2. Step 2: Convert to fraction form
    11,818.46/17,710.99 = 6,555.80/x
  3. Step 3: Cross multiply
    11,818.46x = 17,710.99 × 6,555.80
  4. Step 4: Simplify right side
    11,818.46x = 116,109,736.13
  5. Step 5: Solve for x
    x = 116,109,736.13/11,818.46
  6. Step 6: Final answer
    x = 9,824.44

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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.