Home / 11,725.93-16,181.87-6,421.24

Finding the Fourth Proportional to 11,725.93, 16,181.87 and 6,421.24

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Solution

The fourth proportional to 11,725.93, 16,181.87 and 6,421.24 is: 8,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.93 : 16,181.87 = 6,421.24 : x
  2. Step 2: Convert to fraction form
    11,725.93/16,181.87 = 6,421.24/x
  3. Step 3: Cross multiply
    11,725.93x = 16,181.87 × 6,421.24
  4. Step 4: Simplify right side
    11,725.93x = 103,907,670.92
  5. Step 5: Solve for x
    x = 103,907,670.92/11,725.93
  6. Step 6: Final answer
    x = 8,861.36

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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.