Home / 13,717.85-20,560.37-6,314.86

Finding the Fourth Proportional to 13,717.85, 20,560.37 and 6,314.86

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Solution

The fourth proportional to 13,717.85, 20,560.37 and 6,314.86 is: 9,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.85 : 20,560.37 = 6,314.86 : x
  2. Step 2: Convert to fraction form
    13,717.85/20,560.37 = 6,314.86/x
  3. Step 3: Cross multiply
    13,717.85x = 20,560.37 × 6,314.86
  4. Step 4: Simplify right side
    13,717.85x = 129,835,771.08
  5. Step 5: Solve for x
    x = 129,835,771.08/13,717.85
  6. Step 6: Final answer
    x = 9,464.73

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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.