Home / 12,026.88-18,027.36-4,629.15

Finding the Fourth Proportional to 12,026.88, 18,027.36 and 4,629.15

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Solution

The fourth proportional to 12,026.88, 18,027.36 and 4,629.15 is: 6,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.88 : 18,027.36 = 4,629.15 : x
  2. Step 2: Convert to fraction form
    12,026.88/18,027.36 = 4,629.15/x
  3. Step 3: Cross multiply
    12,026.88x = 18,027.36 × 4,629.15
  4. Step 4: Simplify right side
    12,026.88x = 83,451,353.54
  5. Step 5: Solve for x
    x = 83,451,353.54/12,026.88
  6. Step 6: Final answer
    x = 6,938.74

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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.