Home / 12,939.48-19,446.14-6,370.25

Finding the Fourth Proportional to 12,939.48, 19,446.14 and 6,370.25

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Solution

The fourth proportional to 12,939.48, 19,446.14 and 6,370.25 is: 9,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939.48 : 19,446.14 = 6,370.25 : x
  2. Step 2: Convert to fraction form
    12,939.48/19,446.14 = 6,370.25/x
  3. Step 3: Cross multiply
    12,939.48x = 19,446.14 × 6,370.25
  4. Step 4: Simplify right side
    12,939.48x = 123,876,692.03
  5. Step 5: Solve for x
    x = 123,876,692.03/12,939.48
  6. Step 6: Final answer
    x = 9,573.54

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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.