Home / 13,516.64-20,279.30-6,497.16

Finding the Fourth Proportional to 13,516.64, 20,279.30 and 6,497.16

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Solution

The fourth proportional to 13,516.64, 20,279.30 and 6,497.16 is: 9,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.64 : 20,279.30 = 6,497.16 : x
  2. Step 2: Convert to fraction form
    13,516.64/20,279.30 = 6,497.16/x
  3. Step 3: Cross multiply
    13,516.64x = 20,279.30 × 6,497.16
  4. Step 4: Simplify right side
    13,516.64x = 131,757,924.71
  5. Step 5: Solve for x
    x = 131,757,924.71/13,516.64
  6. Step 6: Final answer
    x = 9,747.83

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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.