Home / 11,036.97-15,216.39-9,141.57

Finding the Fourth Proportional to 11,036.97, 15,216.39 and 9,141.57

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Solution

The fourth proportional to 11,036.97, 15,216.39 and 9,141.57 is: 12,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.97 : 15,216.39 = 9,141.57 : x
  2. Step 2: Convert to fraction form
    11,036.97/15,216.39 = 9,141.57/x
  3. Step 3: Cross multiply
    11,036.97x = 15,216.39 × 9,141.57
  4. Step 4: Simplify right side
    11,036.97x = 139,101,694.33
  5. Step 5: Solve for x
    x = 139,101,694.33/11,036.97
  6. Step 6: Final answer
    x = 12,603.25

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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.