Home / 18,443.36-25,451.40-11,273.24

Finding the Fourth Proportional to 18,443.36, 25,451.40 and 11,273.24

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Solution

The fourth proportional to 18,443.36, 25,451.40 and 11,273.24 is: 15,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.36 : 25,451.40 = 11,273.24 : x
  2. Step 2: Convert to fraction form
    18,443.36/25,451.40 = 11,273.24/x
  3. Step 3: Cross multiply
    18,443.36x = 25,451.40 × 11,273.24
  4. Step 4: Simplify right side
    18,443.36x = 286,919,740.54
  5. Step 5: Solve for x
    x = 286,919,740.54/18,443.36
  6. Step 6: Final answer
    x = 15,556.80

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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.