Home / 11,183.64-15,433.40-6,148.18

Finding the Fourth Proportional to 11,183.64, 15,433.40 and 6,148.18

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Solution

The fourth proportional to 11,183.64, 15,433.40 and 6,148.18 is: 8,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.64 : 15,433.40 = 6,148.18 : x
  2. Step 2: Convert to fraction form
    11,183.64/15,433.40 = 6,148.18/x
  3. Step 3: Cross multiply
    11,183.64x = 15,433.40 × 6,148.18
  4. Step 4: Simplify right side
    11,183.64x = 94,887,321.21
  5. Step 5: Solve for x
    x = 94,887,321.21/11,183.64
  6. Step 6: Final answer
    x = 8,484.48

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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.