Home / 14,027.44-21,069.18-8,771.80

Finding the Fourth Proportional to 14,027.44, 21,069.18 and 8,771.80

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Solution

The fourth proportional to 14,027.44, 21,069.18 and 8,771.80 is: 13,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.44 : 21,069.18 = 8,771.80 : x
  2. Step 2: Convert to fraction form
    14,027.44/21,069.18 = 8,771.80/x
  3. Step 3: Cross multiply
    14,027.44x = 21,069.18 × 8,771.80
  4. Step 4: Simplify right side
    14,027.44x = 184,814,633.12
  5. Step 5: Solve for x
    x = 184,814,633.12/14,027.44
  6. Step 6: Final answer
    x = 13,175.22

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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.