Home / 20,226.02-30,336.19-8,536.50

Finding the Fourth Proportional to 20,226.02, 30,336.19 and 8,536.50

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Solution

The fourth proportional to 20,226.02, 30,336.19 and 8,536.50 is: 12,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.02 : 30,336.19 = 8,536.50 : x
  2. Step 2: Convert to fraction form
    20,226.02/30,336.19 = 8,536.50/x
  3. Step 3: Cross multiply
    20,226.02x = 30,336.19 × 8,536.50
  4. Step 4: Simplify right side
    20,226.02x = 258,964,843.25
  5. Step 5: Solve for x
    x = 258,964,843.25/20,226.02
  6. Step 6: Final answer
    x = 12,803.55

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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.