Home / 21,757.62-30,028.14-12,324.36

Finding the Fourth Proportional to 21,757.62, 30,028.14 and 12,324.36

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Solution

The fourth proportional to 21,757.62, 30,028.14 and 12,324.36 is: 17,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.62 : 30,028.14 = 12,324.36 : x
  2. Step 2: Convert to fraction form
    21,757.62/30,028.14 = 12,324.36/x
  3. Step 3: Cross multiply
    21,757.62x = 30,028.14 × 12,324.36
  4. Step 4: Simplify right side
    21,757.62x = 370,077,607.49
  5. Step 5: Solve for x
    x = 370,077,607.49/21,757.62
  6. Step 6: Final answer
    x = 17,009.10

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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.