Home / 12,772.62-19,158.91-4,008.22

Finding the Fourth Proportional to 12,772.62, 19,158.91 and 4,008.22

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Solution

The fourth proportional to 12,772.62, 19,158.91 and 4,008.22 is: 6,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.62 : 19,158.91 = 4,008.22 : x
  2. Step 2: Convert to fraction form
    12,772.62/19,158.91 = 4,008.22/x
  3. Step 3: Cross multiply
    12,772.62x = 19,158.91 × 4,008.22
  4. Step 4: Simplify right side
    12,772.62x = 76,793,126.24
  5. Step 5: Solve for x
    x = 76,793,126.24/12,772.62
  6. Step 6: Final answer
    x = 6,012.32

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Similar ratio
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1.5x scale

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.