Home / 13,536.80-20,301.60-4,176.80

Finding the Fourth Proportional to 13,536.80, 20,301.60 and 4,176.80

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Solution

The fourth proportional to 13,536.80, 20,301.60 and 4,176.80 is: 6,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.80 : 20,301.60 = 4,176.80 : x
  2. Step 2: Convert to fraction form
    13,536.80/20,301.60 = 4,176.80/x
  3. Step 3: Cross multiply
    13,536.80x = 20,301.60 × 4,176.80
  4. Step 4: Simplify right side
    13,536.80x = 84,795,722.88
  5. Step 5: Solve for x
    x = 84,795,722.88/13,536.80
  6. Step 6: Final answer
    x = 6,264.09

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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.