Home / 22,277.68-30,743.19-13,327.28

Finding the Fourth Proportional to 22,277.68, 30,743.19 and 13,327.28

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Solution

The fourth proportional to 22,277.68, 30,743.19 and 13,327.28 is: 18,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.68 : 30,743.19 = 13,327.28 : x
  2. Step 2: Convert to fraction form
    22,277.68/30,743.19 = 13,327.28/x
  3. Step 3: Cross multiply
    22,277.68x = 30,743.19 × 13,327.28
  4. Step 4: Simplify right side
    22,277.68x = 409,723,111.44
  5. Step 5: Solve for x
    x = 409,723,111.44/22,277.68
  6. Step 6: Final answer
    x = 18,391.64

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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.