Home / 13,704.96-20,559.15-4,342.53

Finding the Fourth Proportional to 13,704.96, 20,559.15 and 4,342.53

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Solution

The fourth proportional to 13,704.96, 20,559.15 and 4,342.53 is: 6,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.96 : 20,559.15 = 4,342.53 : x
  2. Step 2: Convert to fraction form
    13,704.96/20,559.15 = 4,342.53/x
  3. Step 3: Cross multiply
    13,704.96x = 20,559.15 × 4,342.53
  4. Step 4: Simplify right side
    13,704.96x = 89,278,725.65
  5. Step 5: Solve for x
    x = 89,278,725.65/13,704.96
  6. Step 6: Final answer
    x = 6,514.34

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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.