Home / 18,660.72-25,751.79-10,277.22

Finding the Fourth Proportional to 18,660.72, 25,751.79 and 10,277.22

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Solution

The fourth proportional to 18,660.72, 25,751.79 and 10,277.22 is: 14,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.72 : 25,751.79 = 10,277.22 : x
  2. Step 2: Convert to fraction form
    18,660.72/25,751.79 = 10,277.22/x
  3. Step 3: Cross multiply
    18,660.72x = 25,751.79 × 10,277.22
  4. Step 4: Simplify right side
    18,660.72x = 264,656,811.22
  5. Step 5: Solve for x
    x = 264,656,811.22/18,660.72
  6. Step 6: Final answer
    x = 14,182.56

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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.