Home / 18,004.95-27,007.43-4,857.30

Finding the Fourth Proportional to 18,004.95, 27,007.43 and 4,857.30

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Solution

The fourth proportional to 18,004.95, 27,007.43 and 4,857.30 is: 7,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.95 : 27,007.43 = 4,857.30 : x
  2. Step 2: Convert to fraction form
    18,004.95/27,007.43 = 4,857.30/x
  3. Step 3: Cross multiply
    18,004.95x = 27,007.43 × 4,857.30
  4. Step 4: Simplify right side
    18,004.95x = 131,183,165.45
  5. Step 5: Solve for x
    x = 131,183,165.45/18,004.95
  6. Step 6: Final answer
    x = 7,285.95

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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.