Home / 13,497.07-20,251.45-7,249.79

Finding the Fourth Proportional to 13,497.07, 20,251.45 and 7,249.79

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Solution

The fourth proportional to 13,497.07, 20,251.45 and 7,249.79 is: 10,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.07 : 20,251.45 = 7,249.79 : x
  2. Step 2: Convert to fraction form
    13,497.07/20,251.45 = 7,249.79/x
  3. Step 3: Cross multiply
    13,497.07x = 20,251.45 × 7,249.79
  4. Step 4: Simplify right side
    13,497.07x = 146,818,759.70
  5. Step 5: Solve for x
    x = 146,818,759.70/13,497.07
  6. Step 6: Final answer
    x = 10,877.82

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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.