Home / 11,012.63-16,518.53-3,115.19

Finding the Fourth Proportional to 11,012.63, 16,518.53 and 3,115.19

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Solution

The fourth proportional to 11,012.63, 16,518.53 and 3,115.19 is: 4,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.63 : 16,518.53 = 3,115.19 : x
  2. Step 2: Convert to fraction form
    11,012.63/16,518.53 = 3,115.19/x
  3. Step 3: Cross multiply
    11,012.63x = 16,518.53 × 3,115.19
  4. Step 4: Simplify right side
    11,012.63x = 51,458,408.56
  5. Step 5: Solve for x
    x = 51,458,408.56/11,012.63
  6. Step 6: Final answer
    x = 4,672.67

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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.