Home / 13,494.78-20,237.68-4,727.61

Finding the Fourth Proportional to 13,494.78, 20,237.68 and 4,727.61

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Solution

The fourth proportional to 13,494.78, 20,237.68 and 4,727.61 is: 7,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.78 : 20,237.68 = 4,727.61 : x
  2. Step 2: Convert to fraction form
    13,494.78/20,237.68 = 4,727.61/x
  3. Step 3: Cross multiply
    13,494.78x = 20,237.68 × 4,727.61
  4. Step 4: Simplify right side
    13,494.78x = 95,675,858.34
  5. Step 5: Solve for x
    x = 95,675,858.34/13,494.78
  6. Step 6: Final answer
    x = 7,089.84

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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.