Home / 25,112-34,654.56-13,934.24

Finding the Fourth Proportional to 25,112, 34,654.56 and 13,934.24

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Solution

The fourth proportional to 25,112, 34,654.56 and 13,934.24 is: 19,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112 : 34,654.56 = 13,934.24 : x
  2. Step 2: Convert to fraction form
    25,112/34,654.56 = 13,934.24/x
  3. Step 3: Cross multiply
    25,112x = 34,654.56 × 13,934.24
  4. Step 4: Simplify right side
    25,112x = 482,884,956.13
  5. Step 5: Solve for x
    x = 482,884,956.13/25,112
  6. Step 6: Final answer
    x = 19,229.25

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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.