Home / 18,023.70-27,040.11-5,543.22

Finding the Fourth Proportional to 18,023.70, 27,040.11 and 5,543.22

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Solution

The fourth proportional to 18,023.70, 27,040.11 and 5,543.22 is: 8,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.70 : 27,040.11 = 5,543.22 : x
  2. Step 2: Convert to fraction form
    18,023.70/27,040.11 = 5,543.22/x
  3. Step 3: Cross multiply
    18,023.70x = 27,040.11 × 5,543.22
  4. Step 4: Simplify right side
    18,023.70x = 149,889,278.55
  5. Step 5: Solve for x
    x = 149,889,278.55/18,023.70
  6. Step 6: Final answer
    x = 8,316.23

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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.