Home / 13,392.81-20,090.03-4,032.05

Finding the Fourth Proportional to 13,392.81, 20,090.03 and 4,032.05

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Solution

The fourth proportional to 13,392.81, 20,090.03 and 4,032.05 is: 6,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.81 : 20,090.03 = 4,032.05 : x
  2. Step 2: Convert to fraction form
    13,392.81/20,090.03 = 4,032.05/x
  3. Step 3: Cross multiply
    13,392.81x = 20,090.03 × 4,032.05
  4. Step 4: Simplify right side
    13,392.81x = 81,003,884.85
  5. Step 5: Solve for x
    x = 81,003,884.85/13,392.81
  6. Step 6: Final answer
    x = 6,048.31

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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.