Home / 13,930.85-20,881.59-4,568.42

Finding the Fourth Proportional to 13,930.85, 20,881.59 and 4,568.42

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Solution

The fourth proportional to 13,930.85, 20,881.59 and 4,568.42 is: 6,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.85 : 20,881.59 = 4,568.42 : x
  2. Step 2: Convert to fraction form
    13,930.85/20,881.59 = 4,568.42/x
  3. Step 3: Cross multiply
    13,930.85x = 20,881.59 × 4,568.42
  4. Step 4: Simplify right side
    13,930.85x = 95,395,873.39
  5. Step 5: Solve for x
    x = 95,395,873.39/13,930.85
  6. Step 6: Final answer
    x = 6,847.82

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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.