Home / 20,200.30-30,297.57-6,347.50

Finding the Fourth Proportional to 20,200.30, 30,297.57 and 6,347.50

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Solution

The fourth proportional to 20,200.30, 30,297.57 and 6,347.50 is: 9,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.30 : 30,297.57 = 6,347.50 : x
  2. Step 2: Convert to fraction form
    20,200.30/30,297.57 = 6,347.50/x
  3. Step 3: Cross multiply
    20,200.30x = 30,297.57 × 6,347.50
  4. Step 4: Simplify right side
    20,200.30x = 192,313,825.58
  5. Step 5: Solve for x
    x = 192,313,825.58/20,200.30
  6. Step 6: Final answer
    x = 9,520.35

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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.