Home / 18,741.08-25,863.01-11,185.94

Finding the Fourth Proportional to 18,741.08, 25,863.01 and 11,185.94

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Solution

The fourth proportional to 18,741.08, 25,863.01 and 11,185.94 is: 15,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.08 : 25,863.01 = 11,185.94 : x
  2. Step 2: Convert to fraction form
    18,741.08/25,863.01 = 11,185.94/x
  3. Step 3: Cross multiply
    18,741.08x = 25,863.01 × 11,185.94
  4. Step 4: Simplify right side
    18,741.08x = 289,302,114.77
  5. Step 5: Solve for x
    x = 289,302,114.77/18,741.08
  6. Step 6: Final answer
    x = 15,436.79

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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.