Home / 19,977.14-29,956.44-11,659.56

Finding the Fourth Proportional to 19,977.14, 29,956.44 and 11,659.56

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Solution

The fourth proportional to 19,977.14, 29,956.44 and 11,659.56 is: 17,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.14 : 29,956.44 = 11,659.56 : x
  2. Step 2: Convert to fraction form
    19,977.14/29,956.44 = 11,659.56/x
  3. Step 3: Cross multiply
    19,977.14x = 29,956.44 × 11,659.56
  4. Step 4: Simplify right side
    19,977.14x = 349,278,909.57
  5. Step 5: Solve for x
    x = 349,278,909.57/19,977.14
  6. Step 6: Final answer
    x = 17,483.93

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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.