Home / 20,279.46-30,410.84-6,236.06

Finding the Fourth Proportional to 20,279.46, 30,410.84 and 6,236.06

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Solution

The fourth proportional to 20,279.46, 30,410.84 and 6,236.06 is: 9,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,279.46 : 30,410.84 = 6,236.06 : x
  2. Step 2: Convert to fraction form
    20,279.46/30,410.84 = 6,236.06/x
  3. Step 3: Cross multiply
    20,279.46x = 30,410.84 × 6,236.06
  4. Step 4: Simplify right side
    20,279.46x = 189,643,822.89
  5. Step 5: Solve for x
    x = 189,643,822.89/20,279.46
  6. Step 6: Final answer
    x = 9,351.52

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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.