Home / 11,938.46-16,475.54-8,169.53

Finding the Fourth Proportional to 11,938.46, 16,475.54 and 8,169.53

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Solution

The fourth proportional to 11,938.46, 16,475.54 and 8,169.53 is: 11,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.46 : 16,475.54 = 8,169.53 : x
  2. Step 2: Convert to fraction form
    11,938.46/16,475.54 = 8,169.53/x
  3. Step 3: Cross multiply
    11,938.46x = 16,475.54 × 8,169.53
  4. Step 4: Simplify right side
    11,938.46x = 134,597,295.07
  5. Step 5: Solve for x
    x = 134,597,295.07/11,938.46
  6. Step 6: Final answer
    x = 11,274.26

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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.