Home / 13,268.73-18,311.28-7,604.54

Finding the Fourth Proportional to 13,268.73, 18,311.28 and 7,604.54

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Solution

The fourth proportional to 13,268.73, 18,311.28 and 7,604.54 is: 10,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.73 : 18,311.28 = 7,604.54 : x
  2. Step 2: Convert to fraction form
    13,268.73/18,311.28 = 7,604.54/x
  3. Step 3: Cross multiply
    13,268.73x = 18,311.28 × 7,604.54
  4. Step 4: Simplify right side
    13,268.73x = 139,248,928.75
  5. Step 5: Solve for x
    x = 139,248,928.75/13,268.73
  6. Step 6: Final answer
    x = 10,494.52

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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.