Home / 12,259.44-18,389.04-3,494.37

Finding the Fourth Proportional to 12,259.44, 18,389.04 and 3,494.37

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Solution

The fourth proportional to 12,259.44, 18,389.04 and 3,494.37 is: 5,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.44 : 18,389.04 = 3,494.37 : x
  2. Step 2: Convert to fraction form
    12,259.44/18,389.04 = 3,494.37/x
  3. Step 3: Cross multiply
    12,259.44x = 18,389.04 × 3,494.37
  4. Step 4: Simplify right side
    12,259.44x = 64,258,109.70
  5. Step 5: Solve for x
    x = 64,258,109.70/12,259.44
  6. Step 6: Final answer
    x = 5,241.52

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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.