Home / 20,410.37-30,627.90-7,261.76

Finding the Fourth Proportional to 20,410.37, 30,627.90 and 7,261.76

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Solution

The fourth proportional to 20,410.37, 30,627.90 and 7,261.76 is: 10,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.37 : 30,627.90 = 7,261.76 : x
  2. Step 2: Convert to fraction form
    20,410.37/30,627.90 = 7,261.76/x
  3. Step 3: Cross multiply
    20,410.37x = 30,627.90 × 7,261.76
  4. Step 4: Simplify right side
    20,410.37x = 222,412,305.96
  5. Step 5: Solve for x
    x = 222,412,305.96/20,410.37
  6. Step 6: Final answer
    x = 10,897.03

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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.