Home / 13,217.22-18,240.60-8,733.11

Finding the Fourth Proportional to 13,217.22, 18,240.60 and 8,733.11

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Solution

The fourth proportional to 13,217.22, 18,240.60 and 8,733.11 is: 12,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.22 : 18,240.60 = 8,733.11 : x
  2. Step 2: Convert to fraction form
    13,217.22/18,240.60 = 8,733.11/x
  3. Step 3: Cross multiply
    13,217.22x = 18,240.60 × 8,733.11
  4. Step 4: Simplify right side
    13,217.22x = 159,297,107.81
  5. Step 5: Solve for x
    x = 159,297,107.81/13,217.22
  6. Step 6: Final answer
    x = 12,052.24

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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.