Home / 14,196.45-21,279.39-6,785.16

Finding the Fourth Proportional to 14,196.45, 21,279.39 and 6,785.16

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Solution

The fourth proportional to 14,196.45, 21,279.39 and 6,785.16 is: 10,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.45 : 21,279.39 = 6,785.16 : x
  2. Step 2: Convert to fraction form
    14,196.45/21,279.39 = 6,785.16/x
  3. Step 3: Cross multiply
    14,196.45x = 21,279.39 × 6,785.16
  4. Step 4: Simplify right side
    14,196.45x = 144,384,065.85
  5. Step 5: Solve for x
    x = 144,384,065.85/14,196.45
  6. Step 6: Final answer
    x = 10,170.43

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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.