Home / 11,027.68-15,211.60-10,289.57

Finding the Fourth Proportional to 11,027.68, 15,211.60 and 10,289.57

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Solution

The fourth proportional to 11,027.68, 15,211.60 and 10,289.57 is: 14,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.68 : 15,211.60 = 10,289.57 : x
  2. Step 2: Convert to fraction form
    11,027.68/15,211.60 = 10,289.57/x
  3. Step 3: Cross multiply
    11,027.68x = 15,211.60 × 10,289.57
  4. Step 4: Simplify right side
    11,027.68x = 156,520,721.23
  5. Step 5: Solve for x
    x = 156,520,721.23/11,027.68
  6. Step 6: Final answer
    x = 14,193.44

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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.