Home / 19,699.88-27,182.12-11,742.84

Finding the Fourth Proportional to 19,699.88, 27,182.12 and 11,742.84

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Solution

The fourth proportional to 19,699.88, 27,182.12 and 11,742.84 is: 16,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.88 : 27,182.12 = 11,742.84 : x
  2. Step 2: Convert to fraction form
    19,699.88/27,182.12 = 11,742.84/x
  3. Step 3: Cross multiply
    19,699.88x = 27,182.12 × 11,742.84
  4. Step 4: Simplify right side
    19,699.88x = 319,195,227.31
  5. Step 5: Solve for x
    x = 319,195,227.31/19,699.88
  6. Step 6: Final answer
    x = 16,202.91

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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.