Home / 13,373.19-20,096.15-7,137.63

Finding the Fourth Proportional to 13,373.19, 20,096.15 and 7,137.63

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Solution

The fourth proportional to 13,373.19, 20,096.15 and 7,137.63 is: 10,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.19 : 20,096.15 = 7,137.63 : x
  2. Step 2: Convert to fraction form
    13,373.19/20,096.15 = 7,137.63/x
  3. Step 3: Cross multiply
    13,373.19x = 20,096.15 × 7,137.63
  4. Step 4: Simplify right side
    13,373.19x = 143,438,847.44
  5. Step 5: Solve for x
    x = 143,438,847.44/13,373.19
  6. Step 6: Final answer
    x = 10,725.85

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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.