Home / 20,219.19-30,333.60-6,368.19

Finding the Fourth Proportional to 20,219.19, 30,333.60 and 6,368.19

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Solution

The fourth proportional to 20,219.19, 30,333.60 and 6,368.19 is: 9,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.19 : 30,333.60 = 6,368.19 : x
  2. Step 2: Convert to fraction form
    20,219.19/30,333.60 = 6,368.19/x
  3. Step 3: Cross multiply
    20,219.19x = 30,333.60 × 6,368.19
  4. Step 4: Simplify right side
    20,219.19x = 193,170,128.18
  5. Step 5: Solve for x
    x = 193,170,128.18/20,219.19
  6. Step 6: Final answer
    x = 9,553.80

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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.