Home / 19,729.42-27,230.14-11,662.76

Finding the Fourth Proportional to 19,729.42, 27,230.14 and 11,662.76

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Solution

The fourth proportional to 19,729.42, 27,230.14 and 11,662.76 is: 16,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.42 : 27,230.14 = 11,662.76 : x
  2. Step 2: Convert to fraction form
    19,729.42/27,230.14 = 11,662.76/x
  3. Step 3: Cross multiply
    19,729.42x = 27,230.14 × 11,662.76
  4. Step 4: Simplify right side
    19,729.42x = 317,578,587.59
  5. Step 5: Solve for x
    x = 317,578,587.59/19,729.42
  6. Step 6: Final answer
    x = 16,096.70

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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.