Home / 25,112.04-34,654.53-13,781.73

Finding the Fourth Proportional to 25,112.04, 34,654.53 and 13,781.73

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Solution

The fourth proportional to 25,112.04, 34,654.53 and 13,781.73 is: 19,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.04 : 34,654.53 = 13,781.73 : x
  2. Step 2: Convert to fraction form
    25,112.04/34,654.53 = 13,781.73/x
  3. Step 3: Cross multiply
    25,112.04x = 34,654.53 × 13,781.73
  4. Step 4: Simplify right side
    25,112.04x = 477,599,375.74
  5. Step 5: Solve for x
    x = 477,599,375.74/25,112.04
  6. Step 6: Final answer
    x = 19,018.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.