Home / 12,660.94-18,970.60-4,336.41

Finding the Fourth Proportional to 12,660.94, 18,970.60 and 4,336.41

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Solution

The fourth proportional to 12,660.94, 18,970.60 and 4,336.41 is: 6,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.94 : 18,970.60 = 4,336.41 : x
  2. Step 2: Convert to fraction form
    12,660.94/18,970.60 = 4,336.41/x
  3. Step 3: Cross multiply
    12,660.94x = 18,970.60 × 4,336.41
  4. Step 4: Simplify right side
    12,660.94x = 82,264,325.29
  5. Step 5: Solve for x
    x = 82,264,325.29/12,660.94
  6. Step 6: Final answer
    x = 6,497.49

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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.