Home / 18,747.01-28,120.44-5,599.36

Finding the Fourth Proportional to 18,747.01, 28,120.44 and 5,599.36

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Solution

The fourth proportional to 18,747.01, 28,120.44 and 5,599.36 is: 8,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.01 : 28,120.44 = 5,599.36 : x
  2. Step 2: Convert to fraction form
    18,747.01/28,120.44 = 5,599.36/x
  3. Step 3: Cross multiply
    18,747.01x = 28,120.44 × 5,599.36
  4. Step 4: Simplify right side
    18,747.01x = 157,456,466.92
  5. Step 5: Solve for x
    x = 157,456,466.92/18,747.01
  6. Step 6: Final answer
    x = 8,399.02

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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.