Home / 11,171.19-16,754.34-3,774.67

Finding the Fourth Proportional to 11,171.19, 16,754.34 and 3,774.67

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Solution

The fourth proportional to 11,171.19, 16,754.34 and 3,774.67 is: 5,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.19 : 16,754.34 = 3,774.67 : x
  2. Step 2: Convert to fraction form
    11,171.19/16,754.34 = 3,774.67/x
  3. Step 3: Cross multiply
    11,171.19x = 16,754.34 × 3,774.67
  4. Step 4: Simplify right side
    11,171.19x = 63,242,104.57
  5. Step 5: Solve for x
    x = 63,242,104.57/11,171.19
  6. Step 6: Final answer
    x = 5,661.18

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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.