Home / 19,471.66-29,209.51-8,939.87

Finding the Fourth Proportional to 19,471.66, 29,209.51 and 8,939.87

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Solution

The fourth proportional to 19,471.66, 29,209.51 and 8,939.87 is: 13,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.66 : 29,209.51 = 8,939.87 : x
  2. Step 2: Convert to fraction form
    19,471.66/29,209.51 = 8,939.87/x
  3. Step 3: Cross multiply
    19,471.66x = 29,209.51 × 8,939.87
  4. Step 4: Simplify right side
    19,471.66x = 261,129,196.83
  5. Step 5: Solve for x
    x = 261,129,196.83/19,471.66
  6. Step 6: Final answer
    x = 13,410.73

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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.