Home / 12,346.16-18,512.94-4,020.83

Finding the Fourth Proportional to 12,346.16, 18,512.94 and 4,020.83

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Solution

The fourth proportional to 12,346.16, 18,512.94 and 4,020.83 is: 6,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.16 : 18,512.94 = 4,020.83 : x
  2. Step 2: Convert to fraction form
    12,346.16/18,512.94 = 4,020.83/x
  3. Step 3: Cross multiply
    12,346.16x = 18,512.94 × 4,020.83
  4. Step 4: Simplify right side
    12,346.16x = 74,437,364.44
  5. Step 5: Solve for x
    x = 74,437,364.44/12,346.16
  6. Step 6: Final answer
    x = 6,029.19

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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.