Home / 13,524.42-20,285.94-4,759.40

Finding the Fourth Proportional to 13,524.42, 20,285.94 and 4,759.40

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Solution

The fourth proportional to 13,524.42, 20,285.94 and 4,759.40 is: 7,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.42 : 20,285.94 = 4,759.40 : x
  2. Step 2: Convert to fraction form
    13,524.42/20,285.94 = 4,759.40/x
  3. Step 3: Cross multiply
    13,524.42x = 20,285.94 × 4,759.40
  4. Step 4: Simplify right side
    13,524.42x = 96,548,902.84
  5. Step 5: Solve for x
    x = 96,548,902.84/13,524.42
  6. Step 6: Final answer
    x = 7,138.86

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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.