Home / 13,910.12-20,864.26-6,516.24

Finding the Fourth Proportional to 13,910.12, 20,864.26 and 6,516.24

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Solution

The fourth proportional to 13,910.12, 20,864.26 and 6,516.24 is: 9,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.12 : 20,864.26 = 6,516.24 : x
  2. Step 2: Convert to fraction form
    13,910.12/20,864.26 = 6,516.24/x
  3. Step 3: Cross multiply
    13,910.12x = 20,864.26 × 6,516.24
  4. Step 4: Simplify right side
    13,910.12x = 135,956,525.58
  5. Step 5: Solve for x
    x = 135,956,525.58/13,910.12
  6. Step 6: Final answer
    x = 9,773.93

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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.