Home / 19,712.16-27,198.72-11,327.04

Finding the Fourth Proportional to 19,712.16, 27,198.72 and 11,327.04

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Solution

The fourth proportional to 19,712.16, 27,198.72 and 11,327.04 is: 15,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.16 : 27,198.72 = 11,327.04 : x
  2. Step 2: Convert to fraction form
    19,712.16/27,198.72 = 11,327.04/x
  3. Step 3: Cross multiply
    19,712.16x = 27,198.72 × 11,327.04
  4. Step 4: Simplify right side
    19,712.16x = 308,080,989.39
  5. Step 5: Solve for x
    x = 308,080,989.39/19,712.16
  6. Step 6: Final answer
    x = 15,628.98

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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.