Home / 11,450.12-17,174.86-3,659.40

Finding the Fourth Proportional to 11,450.12, 17,174.86 and 3,659.40

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Solution

The fourth proportional to 11,450.12, 17,174.86 and 3,659.40 is: 5,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.12 : 17,174.86 = 3,659.40 : x
  2. Step 2: Convert to fraction form
    11,450.12/17,174.86 = 3,659.40/x
  3. Step 3: Cross multiply
    11,450.12x = 17,174.86 × 3,659.40
  4. Step 4: Simplify right side
    11,450.12x = 62,849,682.68
  5. Step 5: Solve for x
    x = 62,849,682.68/11,450.12
  6. Step 6: Final answer
    x = 5,489.00

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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.