Home / 11,621.94-17,430.30-3,301.78

Finding the Fourth Proportional to 11,621.94, 17,430.30 and 3,301.78

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Solution

The fourth proportional to 11,621.94, 17,430.30 and 3,301.78 is: 4,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.94 : 17,430.30 = 3,301.78 : x
  2. Step 2: Convert to fraction form
    11,621.94/17,430.30 = 3,301.78/x
  3. Step 3: Cross multiply
    11,621.94x = 17,430.30 × 3,301.78
  4. Step 4: Simplify right side
    11,621.94x = 57,551,015.93
  5. Step 5: Solve for x
    x = 57,551,015.93/11,621.94
  6. Step 6: Final answer
    x = 4,951.93

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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.