Home / 12,679.59-19,019.36-4,882.93

Finding the Fourth Proportional to 12,679.59, 19,019.36 and 4,882.93

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Solution

The fourth proportional to 12,679.59, 19,019.36 and 4,882.93 is: 7,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.59 : 19,019.36 = 4,882.93 : x
  2. Step 2: Convert to fraction form
    12,679.59/19,019.36 = 4,882.93/x
  3. Step 3: Cross multiply
    12,679.59x = 19,019.36 × 4,882.93
  4. Step 4: Simplify right side
    12,679.59x = 92,870,215.73
  5. Step 5: Solve for x
    x = 92,870,215.73/12,679.59
  6. Step 6: Final answer
    x = 7,324.39

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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.