Home / 15,558.53-21,469.91-8,843.22

Finding the Fourth Proportional to 15,558.53, 21,469.91 and 8,843.22

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Solution

The fourth proportional to 15,558.53, 21,469.91 and 8,843.22 is: 12,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.53 : 21,469.91 = 8,843.22 : x
  2. Step 2: Convert to fraction form
    15,558.53/21,469.91 = 8,843.22/x
  3. Step 3: Cross multiply
    15,558.53x = 21,469.91 × 8,843.22
  4. Step 4: Simplify right side
    15,558.53x = 189,863,093.29
  5. Step 5: Solve for x
    x = 189,863,093.29/15,558.53
  6. Step 6: Final answer
    x = 12,203.16

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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.