Home / 20,219.49-30,323.38-6,892.18

Finding the Fourth Proportional to 20,219.49, 30,323.38 and 6,892.18

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Solution

The fourth proportional to 20,219.49, 30,323.38 and 6,892.18 is: 10,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.49 : 30,323.38 = 6,892.18 : x
  2. Step 2: Convert to fraction form
    20,219.49/30,323.38 = 6,892.18/x
  3. Step 3: Cross multiply
    20,219.49x = 30,323.38 × 6,892.18
  4. Step 4: Simplify right side
    20,219.49x = 208,994,193.17
  5. Step 5: Solve for x
    x = 208,994,193.17/20,219.49
  6. Step 6: Final answer
    x = 10,336.27

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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.