Home / 19,722.32-27,216.42-11,224.26

Finding the Fourth Proportional to 19,722.32, 27,216.42 and 11,224.26

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Solution

The fourth proportional to 19,722.32, 27,216.42 and 11,224.26 is: 15,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.32 : 27,216.42 = 11,224.26 : x
  2. Step 2: Convert to fraction form
    19,722.32/27,216.42 = 11,224.26/x
  3. Step 3: Cross multiply
    19,722.32x = 27,216.42 × 11,224.26
  4. Step 4: Simplify right side
    19,722.32x = 305,484,174.35
  5. Step 5: Solve for x
    x = 305,484,174.35/19,722.32
  6. Step 6: Final answer
    x = 15,489.26

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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.