Home / 11,264.94-15,537.69-7,290.54

Finding the Fourth Proportional to 11,264.94, 15,537.69 and 7,290.54

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Solution

The fourth proportional to 11,264.94, 15,537.69 and 7,290.54 is: 10,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.94 : 15,537.69 = 7,290.54 : x
  2. Step 2: Convert to fraction form
    11,264.94/15,537.69 = 7,290.54/x
  3. Step 3: Cross multiply
    11,264.94x = 15,537.69 × 7,290.54
  4. Step 4: Simplify right side
    11,264.94x = 113,278,150.45
  5. Step 5: Solve for x
    x = 113,278,150.45/11,264.94
  6. Step 6: Final answer
    x = 10,055.81

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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.