Home / 11,438.19-17,146.89-5,194.85

Finding the Fourth Proportional to 11,438.19, 17,146.89 and 5,194.85

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Solution

The fourth proportional to 11,438.19, 17,146.89 and 5,194.85 is: 7,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.19 : 17,146.89 = 5,194.85 : x
  2. Step 2: Convert to fraction form
    11,438.19/17,146.89 = 5,194.85/x
  3. Step 3: Cross multiply
    11,438.19x = 17,146.89 × 5,194.85
  4. Step 4: Simplify right side
    11,438.19x = 89,075,435.78
  5. Step 5: Solve for x
    x = 89,075,435.78/11,438.19
  6. Step 6: Final answer
    x = 7,787.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.