Home / 11,027.75-15,211.67-10,289.63

Finding the Fourth Proportional to 11,027.75, 15,211.67 and 10,289.63

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Solution

The fourth proportional to 11,027.75, 15,211.67 and 10,289.63 is: 14,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.75 : 15,211.67 = 10,289.63 : x
  2. Step 2: Convert to fraction form
    11,027.75/15,211.67 = 10,289.63/x
  3. Step 3: Cross multiply
    11,027.75x = 15,211.67 × 10,289.63
  4. Step 4: Simplify right side
    11,027.75x = 156,522,529.38
  5. Step 5: Solve for x
    x = 156,522,529.38/11,027.75
  6. Step 6: Final answer
    x = 14,193.52

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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.