Home / 13,404.49-20,090.03-8,463.08

Finding the Fourth Proportional to 13,404.49, 20,090.03 and 8,463.08

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Solution

The fourth proportional to 13,404.49, 20,090.03 and 8,463.08 is: 12,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.49 : 20,090.03 = 8,463.08 : x
  2. Step 2: Convert to fraction form
    13,404.49/20,090.03 = 8,463.08/x
  3. Step 3: Cross multiply
    13,404.49x = 20,090.03 × 8,463.08
  4. Step 4: Simplify right side
    13,404.49x = 170,023,539.00
  5. Step 5: Solve for x
    x = 170,023,539.00/13,404.49
  6. Step 6: Final answer
    x = 12,684.08

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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.