Home / 18,741.72-28,112.20-5,593.80

Finding the Fourth Proportional to 18,741.72, 28,112.20 and 5,593.80

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Solution

The fourth proportional to 18,741.72, 28,112.20 and 5,593.80 is: 8,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.72 : 28,112.20 = 5,593.80 : x
  2. Step 2: Convert to fraction form
    18,741.72/28,112.20 = 5,593.80/x
  3. Step 3: Cross multiply
    18,741.72x = 28,112.20 × 5,593.80
  4. Step 4: Simplify right side
    18,741.72x = 157,254,024.36
  5. Step 5: Solve for x
    x = 157,254,024.36/18,741.72
  6. Step 6: Final answer
    x = 8,390.59

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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.