Home / 13,712.03-20,566.42-3,579.74

Finding the Fourth Proportional to 13,712.03, 20,566.42 and 3,579.74

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Solution

The fourth proportional to 13,712.03, 20,566.42 and 3,579.74 is: 5,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.03 : 20,566.42 = 3,579.74 : x
  2. Step 2: Convert to fraction form
    13,712.03/20,566.42 = 3,579.74/x
  3. Step 3: Cross multiply
    13,712.03x = 20,566.42 × 3,579.74
  4. Step 4: Simplify right side
    13,712.03x = 73,622,324.55
  5. Step 5: Solve for x
    x = 73,622,324.55/13,712.03
  6. Step 6: Final answer
    x = 5,369.18

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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.