Home / 11,183.42-15,433.26-6,148.20

Finding the Fourth Proportional to 11,183.42, 15,433.26 and 6,148.20

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Solution

The fourth proportional to 11,183.42, 15,433.26 and 6,148.20 is: 8,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.42 : 15,433.26 = 6,148.20 : x
  2. Step 2: Convert to fraction form
    11,183.42/15,433.26 = 6,148.20/x
  3. Step 3: Cross multiply
    11,183.42x = 15,433.26 × 6,148.20
  4. Step 4: Simplify right side
    11,183.42x = 94,886,769.13
  5. Step 5: Solve for x
    x = 94,886,769.13/11,183.42
  6. Step 6: Final answer
    x = 8,484.59

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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.