Home / 13,268.06-18,310.37-7,299.98

Finding the Fourth Proportional to 13,268.06, 18,310.37 and 7,299.98

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Solution

The fourth proportional to 13,268.06, 18,310.37 and 7,299.98 is: 10,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.06 : 18,310.37 = 7,299.98 : x
  2. Step 2: Convert to fraction form
    13,268.06/18,310.37 = 7,299.98/x
  3. Step 3: Cross multiply
    13,268.06x = 18,310.37 × 7,299.98
  4. Step 4: Simplify right side
    13,268.06x = 133,665,206.74
  5. Step 5: Solve for x
    x = 133,665,206.74/13,268.06
  6. Step 6: Final answer
    x = 10,074.21

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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.