Home / 20,003.04-30,004.20-6,855.48

Finding the Fourth Proportional to 20,003.04, 30,004.20 and 6,855.48

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Solution

The fourth proportional to 20,003.04, 30,004.20 and 6,855.48 is: 10,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.04 : 30,004.20 = 6,855.48 : x
  2. Step 2: Convert to fraction form
    20,003.04/30,004.20 = 6,855.48/x
  3. Step 3: Cross multiply
    20,003.04x = 30,004.20 × 6,855.48
  4. Step 4: Simplify right side
    20,003.04x = 205,693,193.02
  5. Step 5: Solve for x
    x = 205,693,193.02/20,003.04
  6. Step 6: Final answer
    x = 10,283.10

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1.5x scale

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.