Home / 19,677.78-29,508.84-7,194.96

Finding the Fourth Proportional to 19,677.78, 29,508.84 and 7,194.96

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Solution

The fourth proportional to 19,677.78, 29,508.84 and 7,194.96 is: 10,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.78 : 29,508.84 = 7,194.96 : x
  2. Step 2: Convert to fraction form
    19,677.78/29,508.84 = 7,194.96/x
  3. Step 3: Cross multiply
    19,677.78x = 29,508.84 × 7,194.96
  4. Step 4: Simplify right side
    19,677.78x = 212,314,923.45
  5. Step 5: Solve for x
    x = 212,314,923.45/19,677.78
  6. Step 6: Final answer
    x = 10,789.58

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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.