Home / 11,183.28-15,433.29-6,147.68

Finding the Fourth Proportional to 11,183.28, 15,433.29 and 6,147.68

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Solution

The fourth proportional to 11,183.28, 15,433.29 and 6,147.68 is: 8,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.28 : 15,433.29 = 6,147.68 : x
  2. Step 2: Convert to fraction form
    11,183.28/15,433.29 = 6,147.68/x
  3. Step 3: Cross multiply
    11,183.28x = 15,433.29 × 6,147.68
  4. Step 4: Simplify right side
    11,183.28x = 94,878,928.27
  5. Step 5: Solve for x
    x = 94,878,928.27/11,183.28
  6. Step 6: Final answer
    x = 8,484.00

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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.