Home / 34,278.57-51,412.14-12,086.73

Finding the Fourth Proportional to 34,278.57, 51,412.14 and 12,086.73

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Solution

The fourth proportional to 34,278.57, 51,412.14 and 12,086.73 is: 18,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.57 : 51,412.14 = 12,086.73 : x
  2. Step 2: Convert to fraction form
    34,278.57/51,412.14 = 12,086.73/x
  3. Step 3: Cross multiply
    34,278.57x = 51,412.14 × 12,086.73
  4. Step 4: Simplify right side
    34,278.57x = 621,404,654.90
  5. Step 5: Solve for x
    x = 621,404,654.90/34,278.57
  6. Step 6: Final answer
    x = 18,128.08

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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.