Home / 14,090.04-21,129.62-4,227

Finding the Fourth Proportional to 14,090.04, 21,129.62 and 4,227

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Solution

The fourth proportional to 14,090.04, 21,129.62 and 4,227 is: 6,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.04 : 21,129.62 = 4,227 : x
  2. Step 2: Convert to fraction form
    14,090.04/21,129.62 = 4,227/x
  3. Step 3: Cross multiply
    14,090.04x = 21,129.62 × 4,227
  4. Step 4: Simplify right side
    14,090.04x = 89,314,903.74
  5. Step 5: Solve for x
    x = 89,314,903.74/14,090.04
  6. Step 6: Final answer
    x = 6,338.87

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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.