Home / 12,351.29-18,524.48-4,453.59

Finding the Fourth Proportional to 12,351.29, 18,524.48 and 4,453.59

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Solution

The fourth proportional to 12,351.29, 18,524.48 and 4,453.59 is: 6,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.29 : 18,524.48 = 4,453.59 : x
  2. Step 2: Convert to fraction form
    12,351.29/18,524.48 = 4,453.59/x
  3. Step 3: Cross multiply
    12,351.29x = 18,524.48 × 4,453.59
  4. Step 4: Simplify right side
    12,351.29x = 82,500,416.62
  5. Step 5: Solve for x
    x = 82,500,416.62/12,351.29
  6. Step 6: Final answer
    x = 6,679.50

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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.