Home / 11,738.90-16,199.89-6,433.38

Finding the Fourth Proportional to 11,738.90, 16,199.89 and 6,433.38

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Solution

The fourth proportional to 11,738.90, 16,199.89 and 6,433.38 is: 8,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.90 : 16,199.89 = 6,433.38 : x
  2. Step 2: Convert to fraction form
    11,738.90/16,199.89 = 6,433.38/x
  3. Step 3: Cross multiply
    11,738.90x = 16,199.89 × 6,433.38
  4. Step 4: Simplify right side
    11,738.90x = 104,220,032.24
  5. Step 5: Solve for x
    x = 104,220,032.24/11,738.90
  6. Step 6: Final answer
    x = 8,878.18

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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.