Home / 22,275.77-30,744.51-13,324.25

Finding the Fourth Proportional to 22,275.77, 30,744.51 and 13,324.25

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Solution

The fourth proportional to 22,275.77, 30,744.51 and 13,324.25 is: 18,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.77 : 30,744.51 = 13,324.25 : x
  2. Step 2: Convert to fraction form
    22,275.77/30,744.51 = 13,324.25/x
  3. Step 3: Cross multiply
    22,275.77x = 30,744.51 × 13,324.25
  4. Step 4: Simplify right side
    22,275.77x = 409,647,383.64
  5. Step 5: Solve for x
    x = 409,647,383.64/22,275.77
  6. Step 6: Final answer
    x = 18,389.82

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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.