Home / 12,948.45-19,422.68-4,065.15

Finding the Fourth Proportional to 12,948.45, 19,422.68 and 4,065.15

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Solution

The fourth proportional to 12,948.45, 19,422.68 and 4,065.15 is: 6,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.45 : 19,422.68 = 4,065.15 : x
  2. Step 2: Convert to fraction form
    12,948.45/19,422.68 = 4,065.15/x
  3. Step 3: Cross multiply
    12,948.45x = 19,422.68 × 4,065.15
  4. Step 4: Simplify right side
    12,948.45x = 78,956,087.28
  5. Step 5: Solve for x
    x = 78,956,087.28/12,948.45
  6. Step 6: Final answer
    x = 6,097.73

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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.