Home / 18,288.40-27,435.48-6,604.48

Finding the Fourth Proportional to 18,288.40, 27,435.48 and 6,604.48

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Solution

The fourth proportional to 18,288.40, 27,435.48 and 6,604.48 is: 9,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.40 : 27,435.48 = 6,604.48 : x
  2. Step 2: Convert to fraction form
    18,288.40/27,435.48 = 6,604.48/x
  3. Step 3: Cross multiply
    18,288.40x = 27,435.48 × 6,604.48
  4. Step 4: Simplify right side
    18,288.40x = 181,197,078.95
  5. Step 5: Solve for x
    x = 181,197,078.95/18,288.40
  6. Step 6: Final answer
    x = 9,907.76

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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.