Home / 11,087.45-15,305.04-7,552.61

Finding the Fourth Proportional to 11,087.45, 15,305.04 and 7,552.61

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Solution

The fourth proportional to 11,087.45, 15,305.04 and 7,552.61 is: 10,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.45 : 15,305.04 = 7,552.61 : x
  2. Step 2: Convert to fraction form
    11,087.45/15,305.04 = 7,552.61/x
  3. Step 3: Cross multiply
    11,087.45x = 15,305.04 × 7,552.61
  4. Step 4: Simplify right side
    11,087.45x = 115,592,921.63
  5. Step 5: Solve for x
    x = 115,592,921.63/11,087.45
  6. Step 6: Final answer
    x = 10,425.57

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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.