Home / 18,309.45-27,464.18-6,619.93

Finding the Fourth Proportional to 18,309.45, 27,464.18 and 6,619.93

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Solution

The fourth proportional to 18,309.45, 27,464.18 and 6,619.93 is: 9,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.45 : 27,464.18 = 6,619.93 : x
  2. Step 2: Convert to fraction form
    18,309.45/27,464.18 = 6,619.93/x
  3. Step 3: Cross multiply
    18,309.45x = 27,464.18 × 6,619.93
  4. Step 4: Simplify right side
    18,309.45x = 181,810,949.11
  5. Step 5: Solve for x
    x = 181,810,949.11/18,309.45
  6. Step 6: Final answer
    x = 9,929.90

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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.