Home / 11,054.21-16,588.13-4,480.45

Finding the Fourth Proportional to 11,054.21, 16,588.13 and 4,480.45

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Solution

The fourth proportional to 11,054.21, 16,588.13 and 4,480.45 is: 6,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.21 : 16,588.13 = 4,480.45 : x
  2. Step 2: Convert to fraction form
    11,054.21/16,588.13 = 4,480.45/x
  3. Step 3: Cross multiply
    11,054.21x = 16,588.13 × 4,480.45
  4. Step 4: Simplify right side
    11,054.21x = 74,322,223.19
  5. Step 5: Solve for x
    x = 74,322,223.19/11,054.21
  6. Step 6: Final answer
    x = 6,723.43

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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.