Home / 11,550.21-15,939.42-6,245.13

Finding the Fourth Proportional to 11,550.21, 15,939.42 and 6,245.13

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Solution

The fourth proportional to 11,550.21, 15,939.42 and 6,245.13 is: 8,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.21 : 15,939.42 = 6,245.13 : x
  2. Step 2: Convert to fraction form
    11,550.21/15,939.42 = 6,245.13/x
  3. Step 3: Cross multiply
    11,550.21x = 15,939.42 × 6,245.13
  4. Step 4: Simplify right side
    11,550.21x = 99,543,750.02
  5. Step 5: Solve for x
    x = 99,543,750.02/11,550.21
  6. Step 6: Final answer
    x = 8,618.35

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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.