Home / 18,830.99-28,251.05-5,682.56

Finding the Fourth Proportional to 18,830.99, 28,251.05 and 5,682.56

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Solution

The fourth proportional to 18,830.99, 28,251.05 and 5,682.56 is: 8,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.99 : 28,251.05 = 5,682.56 : x
  2. Step 2: Convert to fraction form
    18,830.99/28,251.05 = 5,682.56/x
  3. Step 3: Cross multiply
    18,830.99x = 28,251.05 × 5,682.56
  4. Step 4: Simplify right side
    18,830.99x = 160,538,258.28
  5. Step 5: Solve for x
    x = 160,538,258.28/18,830.99
  6. Step 6: Final answer
    x = 8,525.22

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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.