Home / 12,537.37-18,806.46-3,772.36

Finding the Fourth Proportional to 12,537.37, 18,806.46 and 3,772.36

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Solution

The fourth proportional to 12,537.37, 18,806.46 and 3,772.36 is: 5,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.37 : 18,806.46 = 3,772.36 : x
  2. Step 2: Convert to fraction form
    12,537.37/18,806.46 = 3,772.36/x
  3. Step 3: Cross multiply
    12,537.37x = 18,806.46 × 3,772.36
  4. Step 4: Simplify right side
    12,537.37x = 70,944,737.45
  5. Step 5: Solve for x
    x = 70,944,737.45/12,537.37
  6. Step 6: Final answer
    x = 5,658.66

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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.