Home / 11,250.96-16,878.36-4,230.72

Finding the Fourth Proportional to 11,250.96, 16,878.36 and 4,230.72

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Solution

The fourth proportional to 11,250.96, 16,878.36 and 4,230.72 is: 6,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.96 : 16,878.36 = 4,230.72 : x
  2. Step 2: Convert to fraction form
    11,250.96/16,878.36 = 4,230.72/x
  3. Step 3: Cross multiply
    11,250.96x = 16,878.36 × 4,230.72
  4. Step 4: Simplify right side
    11,250.96x = 71,407,615.22
  5. Step 5: Solve for x
    x = 71,407,615.22/11,250.96
  6. Step 6: Final answer
    x = 6,346.80

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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.