Home / 20,202.03-30,316.87-7,054.40

Finding the Fourth Proportional to 20,202.03, 30,316.87 and 7,054.40

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Solution

The fourth proportional to 20,202.03, 30,316.87 and 7,054.40 is: 10,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.03 : 30,316.87 = 7,054.40 : x
  2. Step 2: Convert to fraction form
    20,202.03/30,316.87 = 7,054.40/x
  3. Step 3: Cross multiply
    20,202.03x = 30,316.87 × 7,054.40
  4. Step 4: Simplify right side
    20,202.03x = 213,867,327.73
  5. Step 5: Solve for x
    x = 213,867,327.73/20,202.03
  6. Step 6: Final answer
    x = 10,586.43

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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.