Home / 13,836.06-19,093.86-7,867.37

Finding the Fourth Proportional to 13,836.06, 19,093.86 and 7,867.37

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Solution

The fourth proportional to 13,836.06, 19,093.86 and 7,867.37 is: 10,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.06 : 19,093.86 = 7,867.37 : x
  2. Step 2: Convert to fraction form
    13,836.06/19,093.86 = 7,867.37/x
  3. Step 3: Cross multiply
    13,836.06x = 19,093.86 × 7,867.37
  4. Step 4: Simplify right side
    13,836.06x = 150,218,509.08
  5. Step 5: Solve for x
    x = 150,218,509.08/13,836.06
  6. Step 6: Final answer
    x = 10,857.03

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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.