Home / 12,382.35-18,573.31-4,986.62

Finding the Fourth Proportional to 12,382.35, 18,573.31 and 4,986.62

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Solution

The fourth proportional to 12,382.35, 18,573.31 and 4,986.62 is: 7,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.35 : 18,573.31 = 4,986.62 : x
  2. Step 2: Convert to fraction form
    12,382.35/18,573.31 = 4,986.62/x
  3. Step 3: Cross multiply
    12,382.35x = 18,573.31 × 4,986.62
  4. Step 4: Simplify right side
    12,382.35x = 92,617,921.31
  5. Step 5: Solve for x
    x = 92,617,921.31/12,382.35
  6. Step 6: Final answer
    x = 7,479.84

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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.