Home / 19,724.43-27,216.11-11,226.06

Finding the Fourth Proportional to 19,724.43, 27,216.11 and 11,226.06

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Solution

The fourth proportional to 19,724.43, 27,216.11 and 11,226.06 is: 15,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.43 : 27,216.11 = 11,226.06 : x
  2. Step 2: Convert to fraction form
    19,724.43/27,216.11 = 11,226.06/x
  3. Step 3: Cross multiply
    19,724.43x = 27,216.11 × 11,226.06
  4. Step 4: Simplify right side
    19,724.43x = 305,529,711.89
  5. Step 5: Solve for x
    x = 305,529,711.89/19,724.43
  6. Step 6: Final answer
    x = 15,489.91

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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.