Home / 10,648.13-15,976.44-4,074.98

Finding the Fourth Proportional to 10,648.13, 15,976.44 and 4,074.98

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Solution

The fourth proportional to 10,648.13, 15,976.44 and 4,074.98 is: 6,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.13 : 15,976.44 = 4,074.98 : x
  2. Step 2: Convert to fraction form
    10,648.13/15,976.44 = 4,074.98/x
  3. Step 3: Cross multiply
    10,648.13x = 15,976.44 × 4,074.98
  4. Step 4: Simplify right side
    10,648.13x = 65,103,593.59
  5. Step 5: Solve for x
    x = 65,103,593.59/10,648.13
  6. Step 6: Final answer
    x = 6,114.09

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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.