Home / 12,847.97-19,276.68-9,179.07

Finding the Fourth Proportional to 12,847.97, 19,276.68 and 9,179.07

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Solution

The fourth proportional to 12,847.97, 19,276.68 and 9,179.07 is: 13,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.97 : 19,276.68 = 9,179.07 : x
  2. Step 2: Convert to fraction form
    12,847.97/19,276.68 = 9,179.07/x
  3. Step 3: Cross multiply
    12,847.97x = 19,276.68 × 9,179.07
  4. Step 4: Simplify right side
    12,847.97x = 176,941,995.09
  5. Step 5: Solve for x
    x = 176,941,995.09/12,847.97
  6. Step 6: Final answer
    x = 13,771.99

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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.