Home / 11,790.66-16,268.94-7,012.20

Finding the Fourth Proportional to 11,790.66, 16,268.94 and 7,012.20

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Solution

The fourth proportional to 11,790.66, 16,268.94 and 7,012.20 is: 9,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.66 : 16,268.94 = 7,012.20 : x
  2. Step 2: Convert to fraction form
    11,790.66/16,268.94 = 7,012.20/x
  3. Step 3: Cross multiply
    11,790.66x = 16,268.94 × 7,012.20
  4. Step 4: Simplify right side
    11,790.66x = 114,081,061.07
  5. Step 5: Solve for x
    x = 114,081,061.07/11,790.66
  6. Step 6: Final answer
    x = 9,675.54

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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.