Home / 11,938.42-17,907.63-3,173.11

Finding the Fourth Proportional to 11,938.42, 17,907.63 and 3,173.11

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Solution

The fourth proportional to 11,938.42, 17,907.63 and 3,173.11 is: 4,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.42 : 17,907.63 = 3,173.11 : x
  2. Step 2: Convert to fraction form
    11,938.42/17,907.63 = 3,173.11/x
  3. Step 3: Cross multiply
    11,938.42x = 17,907.63 × 3,173.11
  4. Step 4: Simplify right side
    11,938.42x = 56,822,879.83
  5. Step 5: Solve for x
    x = 56,822,879.83/11,938.42
  6. Step 6: Final answer
    x = 4,759.67

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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.