Home / 18,190.64-27,309.36-11,645.84

Finding the Fourth Proportional to 18,190.64, 27,309.36 and 11,645.84

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Solution

The fourth proportional to 18,190.64, 27,309.36 and 11,645.84 is: 17,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.64 : 27,309.36 = 11,645.84 : x
  2. Step 2: Convert to fraction form
    18,190.64/27,309.36 = 11,645.84/x
  3. Step 3: Cross multiply
    18,190.64x = 27,309.36 × 11,645.84
  4. Step 4: Simplify right side
    18,190.64x = 318,040,437.06
  5. Step 5: Solve for x
    x = 318,040,437.06/18,190.64
  6. Step 6: Final answer
    x = 17,483.74

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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.