Home / 13,433.92-18,529.60-8,119.52

Finding the Fourth Proportional to 13,433.92, 18,529.60 and 8,119.52

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Solution

The fourth proportional to 13,433.92, 18,529.60 and 8,119.52 is: 11,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.92 : 18,529.60 = 8,119.52 : x
  2. Step 2: Convert to fraction form
    13,433.92/18,529.60 = 8,119.52/x
  3. Step 3: Cross multiply
    13,433.92x = 18,529.60 × 8,119.52
  4. Step 4: Simplify right side
    13,433.92x = 150,451,457.79
  5. Step 5: Solve for x
    x = 150,451,457.79/13,433.92
  6. Step 6: Final answer
    x = 11,199.37

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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.