Home / 18,091.60-27,141.27-5,611.35

Finding the Fourth Proportional to 18,091.60, 27,141.27 and 5,611.35

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Solution

The fourth proportional to 18,091.60, 27,141.27 and 5,611.35 is: 8,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.60 : 27,141.27 = 5,611.35 : x
  2. Step 2: Convert to fraction form
    18,091.60/27,141.27 = 5,611.35/x
  3. Step 3: Cross multiply
    18,091.60x = 27,141.27 × 5,611.35
  4. Step 4: Simplify right side
    18,091.60x = 152,299,165.41
  5. Step 5: Solve for x
    x = 152,299,165.41/18,091.60
  6. Step 6: Final answer
    x = 8,418.23

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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.