Home / 13,662.50-20,498.61-6,741.86

Finding the Fourth Proportional to 13,662.50, 20,498.61 and 6,741.86

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Solution

The fourth proportional to 13,662.50, 20,498.61 and 6,741.86 is: 10,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.50 : 20,498.61 = 6,741.86 : x
  2. Step 2: Convert to fraction form
    13,662.50/20,498.61 = 6,741.86/x
  3. Step 3: Cross multiply
    13,662.50x = 20,498.61 × 6,741.86
  4. Step 4: Simplify right side
    13,662.50x = 138,198,758.81
  5. Step 5: Solve for x
    x = 138,198,758.81/13,662.50
  6. Step 6: Final answer
    x = 10,115.19

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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.