Home / 18,824.24-28,240.68-5,676.72

Finding the Fourth Proportional to 18,824.24, 28,240.68 and 5,676.72

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Solution

The fourth proportional to 18,824.24, 28,240.68 and 5,676.72 is: 8,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.24 : 28,240.68 = 5,676.72 : x
  2. Step 2: Convert to fraction form
    18,824.24/28,240.68 = 5,676.72/x
  3. Step 3: Cross multiply
    18,824.24x = 28,240.68 × 5,676.72
  4. Step 4: Simplify right side
    18,824.24x = 160,314,432.97
  5. Step 5: Solve for x
    x = 160,314,432.97/18,824.24
  6. Step 6: Final answer
    x = 8,516.38

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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.