Home / 11,174.57-15,419.99-6,138.53

Finding the Fourth Proportional to 11,174.57, 15,419.99 and 6,138.53

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Solution

The fourth proportional to 11,174.57, 15,419.99 and 6,138.53 is: 8,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.57 : 15,419.99 = 6,138.53 : x
  2. Step 2: Convert to fraction form
    11,174.57/15,419.99 = 6,138.53/x
  3. Step 3: Cross multiply
    11,174.57x = 15,419.99 × 6,138.53
  4. Step 4: Simplify right side
    11,174.57x = 94,656,032.76
  5. Step 5: Solve for x
    x = 94,656,032.76/11,174.57
  6. Step 6: Final answer
    x = 8,470.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.