Home / 22,268.37-30,725.28-13,314.36

Finding the Fourth Proportional to 22,268.37, 30,725.28 and 13,314.36

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Solution

The fourth proportional to 22,268.37, 30,725.28 and 13,314.36 is: 18,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.37 : 30,725.28 = 13,314.36 : x
  2. Step 2: Convert to fraction form
    22,268.37/30,725.28 = 13,314.36/x
  3. Step 3: Cross multiply
    22,268.37x = 30,725.28 × 13,314.36
  4. Step 4: Simplify right side
    22,268.37x = 409,087,439.02
  5. Step 5: Solve for x
    x = 409,087,439.02/22,268.37
  6. Step 6: Final answer
    x = 18,370.79

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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.