Home / 11,845.80-16,347.30-6,810.36

Finding the Fourth Proportional to 11,845.80, 16,347.30 and 6,810.36

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Solution

The fourth proportional to 11,845.80, 16,347.30 and 6,810.36 is: 9,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.80 : 16,347.30 = 6,810.36 : x
  2. Step 2: Convert to fraction form
    11,845.80/16,347.30 = 6,810.36/x
  3. Step 3: Cross multiply
    11,845.80x = 16,347.30 × 6,810.36
  4. Step 4: Simplify right side
    11,845.80x = 111,330,998.03
  5. Step 5: Solve for x
    x = 111,330,998.03/11,845.80
  6. Step 6: Final answer
    x = 9,398.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.