Home / 11,220.35-15,483.42-6,183.56

Finding the Fourth Proportional to 11,220.35, 15,483.42 and 6,183.56

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Solution

The fourth proportional to 11,220.35, 15,483.42 and 6,183.56 is: 8,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.35 : 15,483.42 = 6,183.56 : x
  2. Step 2: Convert to fraction form
    11,220.35/15,483.42 = 6,183.56/x
  3. Step 3: Cross multiply
    11,220.35x = 15,483.42 × 6,183.56
  4. Step 4: Simplify right side
    11,220.35x = 95,742,695.28
  5. Step 5: Solve for x
    x = 95,742,695.28/11,220.35
  6. Step 6: Final answer
    x = 8,532.95

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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.