Home / 18,801.45-28,193.87-5,651.30

Finding the Fourth Proportional to 18,801.45, 28,193.87 and 5,651.30

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Solution

The fourth proportional to 18,801.45, 28,193.87 and 5,651.30 is: 8,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.45 : 28,193.87 = 5,651.30 : x
  2. Step 2: Convert to fraction form
    18,801.45/28,193.87 = 5,651.30/x
  3. Step 3: Cross multiply
    18,801.45x = 28,193.87 × 5,651.30
  4. Step 4: Simplify right side
    18,801.45x = 159,332,102.14
  5. Step 5: Solve for x
    x = 159,332,102.14/18,801.45
  6. Step 6: Final answer
    x = 8,474.46

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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.