Home / 20,219.63-30,334.30-6,368.63

Finding the Fourth Proportional to 20,219.63, 30,334.30 and 6,368.63

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Solution

The fourth proportional to 20,219.63, 30,334.30 and 6,368.63 is: 9,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.63 : 30,334.30 = 6,368.63 : x
  2. Step 2: Convert to fraction form
    20,219.63/30,334.30 = 6,368.63/x
  3. Step 3: Cross multiply
    20,219.63x = 30,334.30 × 6,368.63
  4. Step 4: Simplify right side
    20,219.63x = 193,187,765.42
  5. Step 5: Solve for x
    x = 193,187,765.42/20,219.63
  6. Step 6: Final answer
    x = 9,554.47

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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.