Home / 13,817.44-20,730.20-4,457.26

Finding the Fourth Proportional to 13,817.44, 20,730.20 and 4,457.26

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Solution

The fourth proportional to 13,817.44, 20,730.20 and 4,457.26 is: 6,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.44 : 20,730.20 = 4,457.26 : x
  2. Step 2: Convert to fraction form
    13,817.44/20,730.20 = 4,457.26/x
  3. Step 3: Cross multiply
    13,817.44x = 20,730.20 × 4,457.26
  4. Step 4: Simplify right side
    13,817.44x = 92,399,894.88
  5. Step 5: Solve for x
    x = 92,399,894.88/13,817.44
  6. Step 6: Final answer
    x = 6,687.20

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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.