Home / 11,183.48-16,775.40-5,643.80

Finding the Fourth Proportional to 11,183.48, 16,775.40 and 5,643.80

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Solution

The fourth proportional to 11,183.48, 16,775.40 and 5,643.80 is: 8,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.48 : 16,775.40 = 5,643.80 : x
  2. Step 2: Convert to fraction form
    11,183.48/16,775.40 = 5,643.80/x
  3. Step 3: Cross multiply
    11,183.48x = 16,775.40 × 5,643.80
  4. Step 4: Simplify right side
    11,183.48x = 94,677,002.52
  5. Step 5: Solve for x
    x = 94,677,002.52/11,183.48
  6. Step 6: Final answer
    x = 8,465.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.