Home / 12,966.26-19,449.38-5,175.14

Finding the Fourth Proportional to 12,966.26, 19,449.38 and 5,175.14

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Solution

The fourth proportional to 12,966.26, 19,449.38 and 5,175.14 is: 7,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.26 : 19,449.38 = 5,175.14 : x
  2. Step 2: Convert to fraction form
    12,966.26/19,449.38 = 5,175.14/x
  3. Step 3: Cross multiply
    12,966.26x = 19,449.38 × 5,175.14
  4. Step 4: Simplify right side
    12,966.26x = 100,653,180.10
  5. Step 5: Solve for x
    x = 100,653,180.10/12,966.26
  6. Step 6: Final answer
    x = 7,762.70

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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.