Home / 19,774.53-27,288.96-11,160.79

Finding the Fourth Proportional to 19,774.53, 27,288.96 and 11,160.79

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Solution

The fourth proportional to 19,774.53, 27,288.96 and 11,160.79 is: 15,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.53 : 27,288.96 = 11,160.79 : x
  2. Step 2: Convert to fraction form
    19,774.53/27,288.96 = 11,160.79/x
  3. Step 3: Cross multiply
    19,774.53x = 27,288.96 × 11,160.79
  4. Step 4: Simplify right side
    19,774.53x = 304,566,351.88
  5. Step 5: Solve for x
    x = 304,566,351.88/19,774.53
  6. Step 6: Final answer
    x = 15,401.95

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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.