Home / 14,266.60-21,399.94-3,878.34

Finding the Fourth Proportional to 14,266.60, 21,399.94 and 3,878.34

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Solution

The fourth proportional to 14,266.60, 21,399.94 and 3,878.34 is: 5,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.60 : 21,399.94 = 3,878.34 : x
  2. Step 2: Convert to fraction form
    14,266.60/21,399.94 = 3,878.34/x
  3. Step 3: Cross multiply
    14,266.60x = 21,399.94 × 3,878.34
  4. Step 4: Simplify right side
    14,266.60x = 82,996,243.30
  5. Step 5: Solve for x
    x = 82,996,243.30/14,266.60
  6. Step 6: Final answer
    x = 5,817.52

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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.