Home / 18,091.63-27,135.91-5,611.39

Finding the Fourth Proportional to 18,091.63, 27,135.91 and 5,611.39

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Solution

The fourth proportional to 18,091.63, 27,135.91 and 5,611.39 is: 8,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.63 : 27,135.91 = 5,611.39 : x
  2. Step 2: Convert to fraction form
    18,091.63/27,135.91 = 5,611.39/x
  3. Step 3: Cross multiply
    18,091.63x = 27,135.91 × 5,611.39
  4. Step 4: Simplify right side
    18,091.63x = 152,270,113.19
  5. Step 5: Solve for x
    x = 152,270,113.19/18,091.63
  6. Step 6: Final answer
    x = 8,416.60

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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.