Home / 12,583.74-18,874.40-3,818.73

Finding the Fourth Proportional to 12,583.74, 18,874.40 and 3,818.73

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Solution

The fourth proportional to 12,583.74, 18,874.40 and 3,818.73 is: 5,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.74 : 18,874.40 = 3,818.73 : x
  2. Step 2: Convert to fraction form
    12,583.74/18,874.40 = 3,818.73/x
  3. Step 3: Cross multiply
    12,583.74x = 18,874.40 × 3,818.73
  4. Step 4: Simplify right side
    12,583.74x = 72,076,237.51
  5. Step 5: Solve for x
    x = 72,076,237.51/12,583.74
  6. Step 6: Final answer
    x = 5,727.73

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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.