Home / 13,220.43-19,824.81-6,194.79

Finding the Fourth Proportional to 13,220.43, 19,824.81 and 6,194.79

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Solution

The fourth proportional to 13,220.43, 19,824.81 and 6,194.79 is: 9,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.43 : 19,824.81 = 6,194.79 : x
  2. Step 2: Convert to fraction form
    13,220.43/19,824.81 = 6,194.79/x
  3. Step 3: Cross multiply
    13,220.43x = 19,824.81 × 6,194.79
  4. Step 4: Simplify right side
    13,220.43x = 122,810,534.74
  5. Step 5: Solve for x
    x = 122,810,534.74/13,220.43
  6. Step 6: Final answer
    x = 9,289.45

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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.