Home / 20,014.77-30,005.95-8,336.73

Finding the Fourth Proportional to 20,014.77, 30,005.95 and 8,336.73

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Solution

The fourth proportional to 20,014.77, 30,005.95 and 8,336.73 is: 12,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.77 : 30,005.95 = 8,336.73 : x
  2. Step 2: Convert to fraction form
    20,014.77/30,005.95 = 8,336.73/x
  3. Step 3: Cross multiply
    20,014.77x = 30,005.95 × 8,336.73
  4. Step 4: Simplify right side
    20,014.77x = 250,151,503.54
  5. Step 5: Solve for x
    x = 250,151,503.54/20,014.77
  6. Step 6: Final answer
    x = 12,498.35

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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.