Home / 13,180.44-19,773.09-4,421.64

Finding the Fourth Proportional to 13,180.44, 19,773.09 and 4,421.64

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Solution

The fourth proportional to 13,180.44, 19,773.09 and 4,421.64 is: 6,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.44 : 19,773.09 = 4,421.64 : x
  2. Step 2: Convert to fraction form
    13,180.44/19,773.09 = 4,421.64/x
  3. Step 3: Cross multiply
    13,180.44x = 19,773.09 × 4,421.64
  4. Step 4: Simplify right side
    13,180.44x = 87,429,485.67
  5. Step 5: Solve for x
    x = 87,429,485.67/13,180.44
  6. Step 6: Final answer
    x = 6,633.28

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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.