Home / 18,824.64-28,230.16-5,672.92

Finding the Fourth Proportional to 18,824.64, 28,230.16 and 5,672.92

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Solution

The fourth proportional to 18,824.64, 28,230.16 and 5,672.92 is: 8,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.64 : 28,230.16 = 5,672.92 : x
  2. Step 2: Convert to fraction form
    18,824.64/28,230.16 = 5,672.92/x
  3. Step 3: Cross multiply
    18,824.64x = 28,230.16 × 5,672.92
  4. Step 4: Simplify right side
    18,824.64x = 160,147,439.27
  5. Step 5: Solve for x
    x = 160,147,439.27/18,824.64
  6. Step 6: Final answer
    x = 8,507.33

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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.