Home / 12,548.83-18,824.98-4,231.22

Finding the Fourth Proportional to 12,548.83, 18,824.98 and 4,231.22

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Solution

The fourth proportional to 12,548.83, 18,824.98 and 4,231.22 is: 6,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.83 : 18,824.98 = 4,231.22 : x
  2. Step 2: Convert to fraction form
    12,548.83/18,824.98 = 4,231.22/x
  3. Step 3: Cross multiply
    12,548.83x = 18,824.98 × 4,231.22
  4. Step 4: Simplify right side
    12,548.83x = 79,652,610.72
  5. Step 5: Solve for x
    x = 79,652,610.72/12,548.83
  6. Step 6: Final answer
    x = 6,347.42

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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.