Home / 20,071.02-30,105.87-9,546.06

Finding the Fourth Proportional to 20,071.02, 30,105.87 and 9,546.06

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Solution

The fourth proportional to 20,071.02, 30,105.87 and 9,546.06 is: 14,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.02 : 30,105.87 = 9,546.06 : x
  2. Step 2: Convert to fraction form
    20,071.02/30,105.87 = 9,546.06/x
  3. Step 3: Cross multiply
    20,071.02x = 30,105.87 × 9,546.06
  4. Step 4: Simplify right side
    20,071.02x = 287,392,441.37
  5. Step 5: Solve for x
    x = 287,392,441.37/20,071.02
  6. Step 6: Final answer
    x = 14,318.78

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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.