Home / 18,724.23-28,086.48-5,576.85

Finding the Fourth Proportional to 18,724.23, 28,086.48 and 5,576.85

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Solution

The fourth proportional to 18,724.23, 28,086.48 and 5,576.85 is: 8,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.23 : 28,086.48 = 5,576.85 : x
  2. Step 2: Convert to fraction form
    18,724.23/28,086.48 = 5,576.85/x
  3. Step 3: Cross multiply
    18,724.23x = 28,086.48 × 5,576.85
  4. Step 4: Simplify right side
    18,724.23x = 156,634,085.99
  5. Step 5: Solve for x
    x = 156,634,085.99/18,724.23
  6. Step 6: Final answer
    x = 8,365.32

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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.