Home / 12,268.26-18,400.57-4,475.25

Finding the Fourth Proportional to 12,268.26, 18,400.57 and 4,475.25

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Solution

The fourth proportional to 12,268.26, 18,400.57 and 4,475.25 is: 6,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.26 : 18,400.57 = 4,475.25 : x
  2. Step 2: Convert to fraction form
    12,268.26/18,400.57 = 4,475.25/x
  3. Step 3: Cross multiply
    12,268.26x = 18,400.57 × 4,475.25
  4. Step 4: Simplify right side
    12,268.26x = 82,347,139.70
  5. Step 5: Solve for x
    x = 82,347,139.70/12,268.26
  6. Step 6: Final answer
    x = 6,712.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.