Home / 12,023.22-18,035.72-4,126.32

Finding the Fourth Proportional to 12,023.22, 18,035.72 and 4,126.32

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Solution

The fourth proportional to 12,023.22, 18,035.72 and 4,126.32 is: 6,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.22 : 18,035.72 = 4,126.32 : x
  2. Step 2: Convert to fraction form
    12,023.22/18,035.72 = 4,126.32/x
  3. Step 3: Cross multiply
    12,023.22x = 18,035.72 × 4,126.32
  4. Step 4: Simplify right side
    12,023.22x = 74,421,152.15
  5. Step 5: Solve for x
    x = 74,421,152.15/12,023.22
  6. Step 6: Final answer
    x = 6,189.79

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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.