Home / 11,240.89-16,860.93-3,449.50

Finding the Fourth Proportional to 11,240.89, 16,860.93 and 3,449.50

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Solution

The fourth proportional to 11,240.89, 16,860.93 and 3,449.50 is: 5,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.89 : 16,860.93 = 3,449.50 : x
  2. Step 2: Convert to fraction form
    11,240.89/16,860.93 = 3,449.50/x
  3. Step 3: Cross multiply
    11,240.89x = 16,860.93 × 3,449.50
  4. Step 4: Simplify right side
    11,240.89x = 58,161,778.04
  5. Step 5: Solve for x
    x = 58,161,778.04/11,240.89
  6. Step 6: Final answer
    x = 5,174.13

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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.