Home / 13,484.92-20,231.05-4,124.73

Finding the Fourth Proportional to 13,484.92, 20,231.05 and 4,124.73

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Solution

The fourth proportional to 13,484.92, 20,231.05 and 4,124.73 is: 6,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.92 : 20,231.05 = 4,124.73 : x
  2. Step 2: Convert to fraction form
    13,484.92/20,231.05 = 4,124.73/x
  3. Step 3: Cross multiply
    13,484.92x = 20,231.05 × 4,124.73
  4. Step 4: Simplify right side
    13,484.92x = 83,447,578.36
  5. Step 5: Solve for x
    x = 83,447,578.36/13,484.92
  6. Step 6: Final answer
    x = 6,188.22

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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.