Home / 18,110.90-27,170.22-5,630.64

Finding the Fourth Proportional to 18,110.90, 27,170.22 and 5,630.64

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Solution

The fourth proportional to 18,110.90, 27,170.22 and 5,630.64 is: 8,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.90 : 27,170.22 = 5,630.64 : x
  2. Step 2: Convert to fraction form
    18,110.90/27,170.22 = 5,630.64/x
  3. Step 3: Cross multiply
    18,110.90x = 27,170.22 × 5,630.64
  4. Step 4: Simplify right side
    18,110.90x = 152,985,727.54
  5. Step 5: Solve for x
    x = 152,985,727.54/18,110.90
  6. Step 6: Final answer
    x = 8,447.16

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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.