Home / 18,260.10-27,405.70-7,174.55

Finding the Fourth Proportional to 18,260.10, 27,405.70 and 7,174.55

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Solution

The fourth proportional to 18,260.10, 27,405.70 and 7,174.55 is: 10,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.10 : 27,405.70 = 7,174.55 : x
  2. Step 2: Convert to fraction form
    18,260.10/27,405.70 = 7,174.55/x
  3. Step 3: Cross multiply
    18,260.10x = 27,405.70 × 7,174.55
  4. Step 4: Simplify right side
    18,260.10x = 196,623,409.97
  5. Step 5: Solve for x
    x = 196,623,409.97/18,260.10
  6. Step 6: Final answer
    x = 10,767.92

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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.