Home / 13,684.32-20,524.32-5,785.20

Finding the Fourth Proportional to 13,684.32, 20,524.32 and 5,785.20

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Solution

The fourth proportional to 13,684.32, 20,524.32 and 5,785.20 is: 8,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.32 : 20,524.32 = 5,785.20 : x
  2. Step 2: Convert to fraction form
    13,684.32/20,524.32 = 5,785.20/x
  3. Step 3: Cross multiply
    13,684.32x = 20,524.32 × 5,785.20
  4. Step 4: Simplify right side
    13,684.32x = 118,737,296.06
  5. Step 5: Solve for x
    x = 118,737,296.06/13,684.32
  6. Step 6: Final answer
    x = 8,676.89

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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.