Home / 18,412.24-25,410.72-11,241.76

Finding the Fourth Proportional to 18,412.24, 25,410.72 and 11,241.76

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Solution

The fourth proportional to 18,412.24, 25,410.72 and 11,241.76 is: 15,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.24 : 25,410.72 = 11,241.76 : x
  2. Step 2: Convert to fraction form
    18,412.24/25,410.72 = 11,241.76/x
  3. Step 3: Cross multiply
    18,412.24x = 25,410.72 × 11,241.76
  4. Step 4: Simplify right side
    18,412.24x = 285,661,215.67
  5. Step 5: Solve for x
    x = 285,661,215.67/18,412.24
  6. Step 6: Final answer
    x = 15,514.75

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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.