Home / 12,043.89-18,065.50-3,722.69

Finding the Fourth Proportional to 12,043.89, 18,065.50 and 3,722.69

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Solution

The fourth proportional to 12,043.89, 18,065.50 and 3,722.69 is: 5,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.89 : 18,065.50 = 3,722.69 : x
  2. Step 2: Convert to fraction form
    12,043.89/18,065.50 = 3,722.69/x
  3. Step 3: Cross multiply
    12,043.89x = 18,065.50 × 3,722.69
  4. Step 4: Simplify right side
    12,043.89x = 67,252,292.05
  5. Step 5: Solve for x
    x = 67,252,292.05/12,043.89
  6. Step 6: Final answer
    x = 5,583.93

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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.