Home / 12,289.03-18,433.55-3,055.03

Finding the Fourth Proportional to 12,289.03, 18,433.55 and 3,055.03

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Solution

The fourth proportional to 12,289.03, 18,433.55 and 3,055.03 is: 4,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.03 : 18,433.55 = 3,055.03 : x
  2. Step 2: Convert to fraction form
    12,289.03/18,433.55 = 3,055.03/x
  3. Step 3: Cross multiply
    12,289.03x = 18,433.55 × 3,055.03
  4. Step 4: Simplify right side
    12,289.03x = 56,314,956.09
  5. Step 5: Solve for x
    x = 56,314,956.09/12,289.03
  6. Step 6: Final answer
    x = 4,582.54

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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.