Home / 11,284.51-16,928.34-4,709.19

Finding the Fourth Proportional to 11,284.51, 16,928.34 and 4,709.19

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Solution

The fourth proportional to 11,284.51, 16,928.34 and 4,709.19 is: 7,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.51 : 16,928.34 = 4,709.19 : x
  2. Step 2: Convert to fraction form
    11,284.51/16,928.34 = 4,709.19/x
  3. Step 3: Cross multiply
    11,284.51x = 16,928.34 × 4,709.19
  4. Step 4: Simplify right side
    11,284.51x = 79,718,715.35
  5. Step 5: Solve for x
    x = 79,718,715.35/11,284.51
  6. Step 6: Final answer
    x = 7,064.44

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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.