Home / 21,802.44-30,086.46-12,371.52

Finding the Fourth Proportional to 21,802.44, 30,086.46 and 12,371.52

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Solution

The fourth proportional to 21,802.44, 30,086.46 and 12,371.52 is: 17,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802.44 : 30,086.46 = 12,371.52 : x
  2. Step 2: Convert to fraction form
    21,802.44/30,086.46 = 12,371.52/x
  3. Step 3: Cross multiply
    21,802.44x = 30,086.46 × 12,371.52
  4. Step 4: Simplify right side
    21,802.44x = 372,215,241.62
  5. Step 5: Solve for x
    x = 372,215,241.62/21,802.44
  6. Step 6: Final answer
    x = 17,072.18

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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.