Home / 14,090.40-21,135.60-3,702

Finding the Fourth Proportional to 14,090.40, 21,135.60 and 3,702

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Solution

The fourth proportional to 14,090.40, 21,135.60 and 3,702 is: 5,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.40 : 21,135.60 = 3,702 : x
  2. Step 2: Convert to fraction form
    14,090.40/21,135.60 = 3,702/x
  3. Step 3: Cross multiply
    14,090.40x = 21,135.60 × 3,702
  4. Step 4: Simplify right side
    14,090.40x = 78,243,991.20
  5. Step 5: Solve for x
    x = 78,243,991.20/14,090.40
  6. Step 6: Final answer
    x = 5,553.00

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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.