Home / 9,719.66-13,380.67-9,273.31

Finding the Fourth Proportional to 9,719.66, 13,380.67 and 9,273.31

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Solution

The fourth proportional to 9,719.66, 13,380.67 and 9,273.31 is: 12,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.66 : 13,380.67 = 9,273.31 : x
  2. Step 2: Convert to fraction form
    9,719.66/13,380.67 = 9,273.31/x
  3. Step 3: Cross multiply
    9,719.66x = 13,380.67 × 9,273.31
  4. Step 4: Simplify right side
    9,719.66x = 124,083,100.92
  5. Step 5: Solve for x
    x = 124,083,100.92/9,719.66
  6. Step 6: Final answer
    x = 12,766.20

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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.