Home / 14,558.76-20,091.11-8,272.35

Finding the Fourth Proportional to 14,558.76, 20,091.11 and 8,272.35

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Solution

The fourth proportional to 14,558.76, 20,091.11 and 8,272.35 is: 11,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.76 : 20,091.11 = 8,272.35 : x
  2. Step 2: Convert to fraction form
    14,558.76/20,091.11 = 8,272.35/x
  3. Step 3: Cross multiply
    14,558.76x = 20,091.11 × 8,272.35
  4. Step 4: Simplify right side
    14,558.76x = 166,200,652.45
  5. Step 5: Solve for x
    x = 166,200,652.45/14,558.76
  6. Step 6: Final answer
    x = 11,415.85

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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.