Home / 20,202.09-30,302.66-5,411.00

Finding the Fourth Proportional to 20,202.09, 30,302.66 and 5,411.00

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Solution

The fourth proportional to 20,202.09, 30,302.66 and 5,411.00 is: 8,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.09 : 30,302.66 = 5,411.00 : x
  2. Step 2: Convert to fraction form
    20,202.09/30,302.66 = 5,411.00/x
  3. Step 3: Cross multiply
    20,202.09x = 30,302.66 × 5,411.00
  4. Step 4: Simplify right side
    20,202.09x = 163,967,514.69
  5. Step 5: Solve for x
    x = 163,967,514.69/20,202.09
  6. Step 6: Final answer
    x = 8,116.36

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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.