Home / 11,737.89-16,198.65-6,433.07

Finding the Fourth Proportional to 11,737.89, 16,198.65 and 6,433.07

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Solution

The fourth proportional to 11,737.89, 16,198.65 and 6,433.07 is: 8,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.89 : 16,198.65 = 6,433.07 : x
  2. Step 2: Convert to fraction form
    11,737.89/16,198.65 = 6,433.07/x
  3. Step 3: Cross multiply
    11,737.89x = 16,198.65 × 6,433.07
  4. Step 4: Simplify right side
    11,737.89x = 104,206,968.36
  5. Step 5: Solve for x
    x = 104,206,968.36/11,737.89
  6. Step 6: Final answer
    x = 8,877.83

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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.