Home / 13,855.03-20,785.46-4,494.32

Finding the Fourth Proportional to 13,855.03, 20,785.46 and 4,494.32

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Solution

The fourth proportional to 13,855.03, 20,785.46 and 4,494.32 is: 6,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.03 : 20,785.46 = 4,494.32 : x
  2. Step 2: Convert to fraction form
    13,855.03/20,785.46 = 4,494.32/x
  3. Step 3: Cross multiply
    13,855.03x = 20,785.46 × 4,494.32
  4. Step 4: Simplify right side
    13,855.03x = 93,416,404.66
  5. Step 5: Solve for x
    x = 93,416,404.66/13,855.03
  6. Step 6: Final answer
    x = 6,742.42

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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.