Home / 13,457.50-20,186.97-4,224.22

Finding the Fourth Proportional to 13,457.50, 20,186.97 and 4,224.22

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Solution

The fourth proportional to 13,457.50, 20,186.97 and 4,224.22 is: 6,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.50 : 20,186.97 = 4,224.22 : x
  2. Step 2: Convert to fraction form
    13,457.50/20,186.97 = 4,224.22/x
  3. Step 3: Cross multiply
    13,457.50x = 20,186.97 × 4,224.22
  4. Step 4: Simplify right side
    13,457.50x = 85,274,202.41
  5. Step 5: Solve for x
    x = 85,274,202.41/13,457.50
  6. Step 6: Final answer
    x = 6,336.56

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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.