Home / 13,518.28-20,234.94-8,593.48

Finding the Fourth Proportional to 13,518.28, 20,234.94 and 8,593.48

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Solution

The fourth proportional to 13,518.28, 20,234.94 and 8,593.48 is: 12,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.28 : 20,234.94 = 8,593.48 : x
  2. Step 2: Convert to fraction form
    13,518.28/20,234.94 = 8,593.48/x
  3. Step 3: Cross multiply
    13,518.28x = 20,234.94 × 8,593.48
  4. Step 4: Simplify right side
    13,518.28x = 173,888,552.19
  5. Step 5: Solve for x
    x = 173,888,552.19/13,518.28
  6. Step 6: Final answer
    x = 12,863.22

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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.