Home / 18,287.54-25,249.12-11,484.46

Finding the Fourth Proportional to 18,287.54, 25,249.12 and 11,484.46

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Solution

The fourth proportional to 18,287.54, 25,249.12 and 11,484.46 is: 15,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.54 : 25,249.12 = 11,484.46 : x
  2. Step 2: Convert to fraction form
    18,287.54/25,249.12 = 11,484.46/x
  3. Step 3: Cross multiply
    18,287.54x = 25,249.12 × 11,484.46
  4. Step 4: Simplify right side
    18,287.54x = 289,972,416.84
  5. Step 5: Solve for x
    x = 289,972,416.84/18,287.54
  6. Step 6: Final answer
    x = 15,856.29

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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.