Home / 12,078.93-16,669.77-6,703.13

Finding the Fourth Proportional to 12,078.93, 16,669.77 and 6,703.13

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Solution

The fourth proportional to 12,078.93, 16,669.77 and 6,703.13 is: 9,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.93 : 16,669.77 = 6,703.13 : x
  2. Step 2: Convert to fraction form
    12,078.93/16,669.77 = 6,703.13/x
  3. Step 3: Cross multiply
    12,078.93x = 16,669.77 × 6,703.13
  4. Step 4: Simplify right side
    12,078.93x = 111,739,552.03
  5. Step 5: Solve for x
    x = 111,739,552.03/12,078.93
  6. Step 6: Final answer
    x = 9,250.78

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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.