Home / 19,722.60-27,214.74-11,225.82

Finding the Fourth Proportional to 19,722.60, 27,214.74 and 11,225.82

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Solution

The fourth proportional to 19,722.60, 27,214.74 and 11,225.82 is: 15,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.60 : 27,214.74 = 11,225.82 : x
  2. Step 2: Convert to fraction form
    19,722.60/27,214.74 = 11,225.82/x
  3. Step 3: Cross multiply
    19,722.60x = 27,214.74 × 11,225.82
  4. Step 4: Simplify right side
    19,722.60x = 305,507,772.59
  5. Step 5: Solve for x
    x = 305,507,772.59/19,722.60
  6. Step 6: Final answer
    x = 15,490.24

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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.