Home / 12,173.54-18,258.89-3,409.16

Finding the Fourth Proportional to 12,173.54, 18,258.89 and 3,409.16

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Solution

The fourth proportional to 12,173.54, 18,258.89 and 3,409.16 is: 5,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.54 : 18,258.89 = 3,409.16 : x
  2. Step 2: Convert to fraction form
    12,173.54/18,258.89 = 3,409.16/x
  3. Step 3: Cross multiply
    12,173.54x = 18,258.89 × 3,409.16
  4. Step 4: Simplify right side
    12,173.54x = 62,247,369.09
  5. Step 5: Solve for x
    x = 62,247,369.09/12,173.54
  6. Step 6: Final answer
    x = 5,113.34

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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.