Home / 12,346.03-18,519.01-4,138.03

Finding the Fourth Proportional to 12,346.03, 18,519.01 and 4,138.03

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Solution

The fourth proportional to 12,346.03, 18,519.01 and 4,138.03 is: 6,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.03 : 18,519.01 = 4,138.03 : x
  2. Step 2: Convert to fraction form
    12,346.03/18,519.01 = 4,138.03/x
  3. Step 3: Cross multiply
    12,346.03x = 18,519.01 × 4,138.03
  4. Step 4: Simplify right side
    12,346.03x = 76,632,218.95
  5. Step 5: Solve for x
    x = 76,632,218.95/12,346.03
  6. Step 6: Final answer
    x = 6,207.03

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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.