Home / 11,260.97-15,540.64-7,014.55

Finding the Fourth Proportional to 11,260.97, 15,540.64 and 7,014.55

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Solution

The fourth proportional to 11,260.97, 15,540.64 and 7,014.55 is: 9,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.97 : 15,540.64 = 7,014.55 : x
  2. Step 2: Convert to fraction form
    11,260.97/15,540.64 = 7,014.55/x
  3. Step 3: Cross multiply
    11,260.97x = 15,540.64 × 7,014.55
  4. Step 4: Simplify right side
    11,260.97x = 109,010,539.92
  5. Step 5: Solve for x
    x = 109,010,539.92/11,260.97
  6. Step 6: Final answer
    x = 9,680.38

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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.