Home / 12,670.48-18,999.26-4,233.94

Finding the Fourth Proportional to 12,670.48, 18,999.26 and 4,233.94

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Solution

The fourth proportional to 12,670.48, 18,999.26 and 4,233.94 is: 6,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.48 : 18,999.26 = 4,233.94 : x
  2. Step 2: Convert to fraction form
    12,670.48/18,999.26 = 4,233.94/x
  3. Step 3: Cross multiply
    12,670.48x = 18,999.26 × 4,233.94
  4. Step 4: Simplify right side
    12,670.48x = 80,441,726.88
  5. Step 5: Solve for x
    x = 80,441,726.88/12,670.48
  6. Step 6: Final answer
    x = 6,348.75

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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.