Home / 19,455.09-29,187.29-8,361.91

Finding the Fourth Proportional to 19,455.09, 29,187.29 and 8,361.91

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Solution

The fourth proportional to 19,455.09, 29,187.29 and 8,361.91 is: 12,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.09 : 29,187.29 = 8,361.91 : x
  2. Step 2: Convert to fraction form
    19,455.09/29,187.29 = 8,361.91/x
  3. Step 3: Cross multiply
    19,455.09x = 29,187.29 × 8,361.91
  4. Step 4: Simplify right side
    19,455.09x = 244,061,492.12
  5. Step 5: Solve for x
    x = 244,061,492.12/19,455.09
  6. Step 6: Final answer
    x = 12,544.87

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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.