Home / 11,703.24-17,561.79-4,312.87

Finding the Fourth Proportional to 11,703.24, 17,561.79 and 4,312.87

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Solution

The fourth proportional to 11,703.24, 17,561.79 and 4,312.87 is: 6,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.24 : 17,561.79 = 4,312.87 : x
  2. Step 2: Convert to fraction form
    11,703.24/17,561.79 = 4,312.87/x
  3. Step 3: Cross multiply
    11,703.24x = 17,561.79 × 4,312.87
  4. Step 4: Simplify right side
    11,703.24x = 75,741,673.33
  5. Step 5: Solve for x
    x = 75,741,673.33/11,703.24
  6. Step 6: Final answer
    x = 6,471.86

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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.