Home / 11,968.62-16,515.90-6,663.30

Finding the Fourth Proportional to 11,968.62, 16,515.90 and 6,663.30

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Solution

The fourth proportional to 11,968.62, 16,515.90 and 6,663.30 is: 9,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.62 : 16,515.90 = 6,663.30 : x
  2. Step 2: Convert to fraction form
    11,968.62/16,515.90 = 6,663.30/x
  3. Step 3: Cross multiply
    11,968.62x = 16,515.90 × 6,663.30
  4. Step 4: Simplify right side
    11,968.62x = 110,050,396.47
  5. Step 5: Solve for x
    x = 110,050,396.47/11,968.62
  6. Step 6: Final answer
    x = 9,194.91

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1.5x scale

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.