Home / 11,276.78-16,920.03-4,704.26

Finding the Fourth Proportional to 11,276.78, 16,920.03 and 4,704.26

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Solution

The fourth proportional to 11,276.78, 16,920.03 and 4,704.26 is: 7,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.78 : 16,920.03 = 4,704.26 : x
  2. Step 2: Convert to fraction form
    11,276.78/16,920.03 = 4,704.26/x
  3. Step 3: Cross multiply
    11,276.78x = 16,920.03 × 4,704.26
  4. Step 4: Simplify right side
    11,276.78x = 79,596,220.33
  5. Step 5: Solve for x
    x = 79,596,220.33/11,276.78
  6. Step 6: Final answer
    x = 7,058.42

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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.