Home / 20,014.52-30,005.57-8,336.48

Finding the Fourth Proportional to 20,014.52, 30,005.57 and 8,336.48

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Solution

The fourth proportional to 20,014.52, 30,005.57 and 8,336.48 is: 12,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.52 : 30,005.57 = 8,336.48 : x
  2. Step 2: Convert to fraction form
    20,014.52/30,005.57 = 8,336.48/x
  3. Step 3: Cross multiply
    20,014.52x = 30,005.57 × 8,336.48
  4. Step 4: Simplify right side
    20,014.52x = 250,140,705.01
  5. Step 5: Solve for x
    x = 250,140,705.01/20,014.52
  6. Step 6: Final answer
    x = 12,497.96

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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.