Home / 14,217.32-19,620.78-7,843.88

Finding the Fourth Proportional to 14,217.32, 19,620.78 and 7,843.88

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Solution

The fourth proportional to 14,217.32, 19,620.78 and 7,843.88 is: 10,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.32 : 19,620.78 = 7,843.88 : x
  2. Step 2: Convert to fraction form
    14,217.32/19,620.78 = 7,843.88/x
  3. Step 3: Cross multiply
    14,217.32x = 19,620.78 × 7,843.88
  4. Step 4: Simplify right side
    14,217.32x = 153,903,043.83
  5. Step 5: Solve for x
    x = 153,903,043.83/14,217.32
  6. Step 6: Final answer
    x = 10,825.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.