Home / 13,171.32-19,757.36-5,771.96

Finding the Fourth Proportional to 13,171.32, 19,757.36 and 5,771.96

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Solution

The fourth proportional to 13,171.32, 19,757.36 and 5,771.96 is: 8,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.32 : 19,757.36 = 5,771.96 : x
  2. Step 2: Convert to fraction form
    13,171.32/19,757.36 = 5,771.96/x
  3. Step 3: Cross multiply
    13,171.32x = 19,757.36 × 5,771.96
  4. Step 4: Simplify right side
    13,171.32x = 114,038,691.63
  5. Step 5: Solve for x
    x = 114,038,691.63/13,171.32
  6. Step 6: Final answer
    x = 8,658.11

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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.