Home / 11,411.23-15,745.93-6,374.83

Finding the Fourth Proportional to 11,411.23, 15,745.93 and 6,374.83

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Solution

The fourth proportional to 11,411.23, 15,745.93 and 6,374.83 is: 8,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.23 : 15,745.93 = 6,374.83 : x
  2. Step 2: Convert to fraction form
    11,411.23/15,745.93 = 6,374.83/x
  3. Step 3: Cross multiply
    11,411.23x = 15,745.93 × 6,374.83
  4. Step 4: Simplify right side
    11,411.23x = 100,377,548.21
  5. Step 5: Solve for x
    x = 100,377,548.21/11,411.23
  6. Step 6: Final answer
    x = 8,796.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.