Home / 18,617.51-27,930.37-6,137.03

Finding the Fourth Proportional to 18,617.51, 27,930.37 and 6,137.03

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Solution

The fourth proportional to 18,617.51, 27,930.37 and 6,137.03 is: 9,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.51 : 27,930.37 = 6,137.03 : x
  2. Step 2: Convert to fraction form
    18,617.51/27,930.37 = 6,137.03/x
  3. Step 3: Cross multiply
    18,617.51x = 27,930.37 × 6,137.03
  4. Step 4: Simplify right side
    18,617.51x = 171,409,518.60
  5. Step 5: Solve for x
    x = 171,409,518.60/18,617.51
  6. Step 6: Final answer
    x = 9,206.90

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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.