Home / 12,548.54-18,816.08-4,225.80

Finding the Fourth Proportional to 12,548.54, 18,816.08 and 4,225.80

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Solution

The fourth proportional to 12,548.54, 18,816.08 and 4,225.80 is: 6,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.54 : 18,816.08 = 4,225.80 : x
  2. Step 2: Convert to fraction form
    12,548.54/18,816.08 = 4,225.80/x
  3. Step 3: Cross multiply
    12,548.54x = 18,816.08 × 4,225.80
  4. Step 4: Simplify right side
    12,548.54x = 79,512,990.86
  5. Step 5: Solve for x
    x = 79,512,990.86/12,548.54
  6. Step 6: Final answer
    x = 6,336.43

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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.