Home / 11,739.57-17,612.25-3,419.67

Finding the Fourth Proportional to 11,739.57, 17,612.25 and 3,419.67

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Solution

The fourth proportional to 11,739.57, 17,612.25 and 3,419.67 is: 5,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.57 : 17,612.25 = 3,419.67 : x
  2. Step 2: Convert to fraction form
    11,739.57/17,612.25 = 3,419.67/x
  3. Step 3: Cross multiply
    11,739.57x = 17,612.25 × 3,419.67
  4. Step 4: Simplify right side
    11,739.57x = 60,228,082.96
  5. Step 5: Solve for x
    x = 60,228,082.96/11,739.57
  6. Step 6: Final answer
    x = 5,130.35

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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.