Home / 13,268.99-18,311.06-7,300.66

Finding the Fourth Proportional to 13,268.99, 18,311.06 and 7,300.66

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Solution

The fourth proportional to 13,268.99, 18,311.06 and 7,300.66 is: 10,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.99 : 18,311.06 = 7,300.66 : x
  2. Step 2: Convert to fraction form
    13,268.99/18,311.06 = 7,300.66/x
  3. Step 3: Cross multiply
    13,268.99x = 18,311.06 × 7,300.66
  4. Step 4: Simplify right side
    13,268.99x = 133,682,823.30
  5. Step 5: Solve for x
    x = 133,682,823.30/13,268.99
  6. Step 6: Final answer
    x = 10,074.83

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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.