Home / 13,475.22-20,218.71-4,716.42

Finding the Fourth Proportional to 13,475.22, 20,218.71 and 4,716.42

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Solution

The fourth proportional to 13,475.22, 20,218.71 and 4,716.42 is: 7,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.22 : 20,218.71 = 4,716.42 : x
  2. Step 2: Convert to fraction form
    13,475.22/20,218.71 = 4,716.42/x
  3. Step 3: Cross multiply
    13,475.22x = 20,218.71 × 4,716.42
  4. Step 4: Simplify right side
    13,475.22x = 95,359,928.22
  5. Step 5: Solve for x
    x = 95,359,928.22/13,475.22
  6. Step 6: Final answer
    x = 7,076.69

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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.