Home / 13,917.91-20,884.04-6,523.12

Finding the Fourth Proportional to 13,917.91, 20,884.04 and 6,523.12

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Solution

The fourth proportional to 13,917.91, 20,884.04 and 6,523.12 is: 9,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.91 : 20,884.04 = 6,523.12 : x
  2. Step 2: Convert to fraction form
    13,917.91/20,884.04 = 6,523.12/x
  3. Step 3: Cross multiply
    13,917.91x = 20,884.04 × 6,523.12
  4. Step 4: Simplify right side
    13,917.91x = 136,229,038.64
  5. Step 5: Solve for x
    x = 136,229,038.64/13,917.91
  6. Step 6: Final answer
    x = 9,788.04

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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.