Home / 18,402.09-27,611.34-6,712.58

Finding the Fourth Proportional to 18,402.09, 27,611.34 and 6,712.58

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Solution

The fourth proportional to 18,402.09, 27,611.34 and 6,712.58 is: 10,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.09 : 27,611.34 = 6,712.58 : x
  2. Step 2: Convert to fraction form
    18,402.09/27,611.34 = 6,712.58/x
  3. Step 3: Cross multiply
    18,402.09x = 27,611.34 × 6,712.58
  4. Step 4: Simplify right side
    18,402.09x = 185,343,190.60
  5. Step 5: Solve for x
    x = 185,343,190.60/18,402.09
  6. Step 6: Final answer
    x = 10,071.86

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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.