Home / 12,679.71-19,019.55-4,883.06

Finding the Fourth Proportional to 12,679.71, 19,019.55 and 4,883.06

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Solution

The fourth proportional to 12,679.71, 19,019.55 and 4,883.06 is: 7,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.71 : 19,019.55 = 4,883.06 : x
  2. Step 2: Convert to fraction form
    12,679.71/19,019.55 = 4,883.06/x
  3. Step 3: Cross multiply
    12,679.71x = 19,019.55 × 4,883.06
  4. Step 4: Simplify right side
    12,679.71x = 92,873,508.73
  5. Step 5: Solve for x
    x = 92,873,508.73/12,679.71
  6. Step 6: Final answer
    x = 7,324.58

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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.