Home / 13,174.44-18,181.00-7,206.50

Finding the Fourth Proportional to 13,174.44, 18,181.00 and 7,206.50

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Solution

The fourth proportional to 13,174.44, 18,181.00 and 7,206.50 is: 9,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.44 : 18,181.00 = 7,206.50 : x
  2. Step 2: Convert to fraction form
    13,174.44/18,181.00 = 7,206.50/x
  3. Step 3: Cross multiply
    13,174.44x = 18,181.00 × 7,206.50
  4. Step 4: Simplify right side
    13,174.44x = 131,021,328.69
  5. Step 5: Solve for x
    x = 131,021,328.69/13,174.44
  6. Step 6: Final answer
    x = 9,945.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.