Home / 20,152.48-30,211.44-6,996.64

Finding the Fourth Proportional to 20,152.48, 30,211.44 and 6,996.64

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Solution

The fourth proportional to 20,152.48, 30,211.44 and 6,996.64 is: 10,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.48 : 30,211.44 = 6,996.64 : x
  2. Step 2: Convert to fraction form
    20,152.48/30,211.44 = 6,996.64/x
  3. Step 3: Cross multiply
    20,152.48x = 30,211.44 × 6,996.64
  4. Step 4: Simplify right side
    20,152.48x = 211,378,569.56
  5. Step 5: Solve for x
    x = 211,378,569.56/20,152.48
  6. Step 6: Final answer
    x = 10,488.96

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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.