Home / 12,241.69-16,898.70-8,268.19

Finding the Fourth Proportional to 12,241.69, 16,898.70 and 8,268.19

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Solution

The fourth proportional to 12,241.69, 16,898.70 and 8,268.19 is: 11,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.69 : 16,898.70 = 8,268.19 : x
  2. Step 2: Convert to fraction form
    12,241.69/16,898.70 = 8,268.19/x
  3. Step 3: Cross multiply
    12,241.69x = 16,898.70 × 8,268.19
  4. Step 4: Simplify right side
    12,241.69x = 139,721,536.52
  5. Step 5: Solve for x
    x = 139,721,536.52/12,241.69
  6. Step 6: Final answer
    x = 11,413.58

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1.5x scale

Why These Related Problems?

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