Home / 11,260.94-15,531.84-9,766.26

Finding the Fourth Proportional to 11,260.94, 15,531.84 and 9,766.26

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Solution

The fourth proportional to 11,260.94, 15,531.84 and 9,766.26 is: 13,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.94 : 15,531.84 = 9,766.26 : x
  2. Step 2: Convert to fraction form
    11,260.94/15,531.84 = 9,766.26/x
  3. Step 3: Cross multiply
    11,260.94x = 15,531.84 × 9,766.26
  4. Step 4: Simplify right side
    11,260.94x = 151,687,987.72
  5. Step 5: Solve for x
    x = 151,687,987.72/11,260.94
  6. Step 6: Final answer
    x = 13,470.28

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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.