Home / 18,291.13-27,444.62-6,453.37

Finding the Fourth Proportional to 18,291.13, 27,444.62 and 6,453.37

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Solution

The fourth proportional to 18,291.13, 27,444.62 and 6,453.37 is: 9,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.13 : 27,444.62 = 6,453.37 : x
  2. Step 2: Convert to fraction form
    18,291.13/27,444.62 = 6,453.37/x
  3. Step 3: Cross multiply
    18,291.13x = 27,444.62 × 6,453.37
  4. Step 4: Simplify right side
    18,291.13x = 177,110,301.51
  5. Step 5: Solve for x
    x = 177,110,301.51/18,291.13
  6. Step 6: Final answer
    x = 9,682.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.