Home / 19,451.04-29,187.87-8,205.66

Finding the Fourth Proportional to 19,451.04, 29,187.87 and 8,205.66

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Solution

The fourth proportional to 19,451.04, 29,187.87 and 8,205.66 is: 12,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.04 : 29,187.87 = 8,205.66 : x
  2. Step 2: Convert to fraction form
    19,451.04/29,187.87 = 8,205.66/x
  3. Step 3: Cross multiply
    19,451.04x = 29,187.87 × 8,205.66
  4. Step 4: Simplify right side
    19,451.04x = 239,505,737.34
  5. Step 5: Solve for x
    x = 239,505,737.34/19,451.04
  6. Step 6: Final answer
    x = 12,313.26

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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.