Home / 12,548.92-18,823.46-3,783.80

Finding the Fourth Proportional to 12,548.92, 18,823.46 and 3,783.80

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Solution

The fourth proportional to 12,548.92, 18,823.46 and 3,783.80 is: 5,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.92 : 18,823.46 = 3,783.80 : x
  2. Step 2: Convert to fraction form
    12,548.92/18,823.46 = 3,783.80/x
  3. Step 3: Cross multiply
    12,548.92x = 18,823.46 × 3,783.80
  4. Step 4: Simplify right side
    12,548.92x = 71,224,207.95
  5. Step 5: Solve for x
    x = 71,224,207.95/12,548.92
  6. Step 6: Final answer
    x = 5,675.72

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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.