Home / 19,051.44-28,583.88-8,520.48

Finding the Fourth Proportional to 19,051.44, 28,583.88 and 8,520.48

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Solution

The fourth proportional to 19,051.44, 28,583.88 and 8,520.48 is: 12,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.44 : 28,583.88 = 8,520.48 : x
  2. Step 2: Convert to fraction form
    19,051.44/28,583.88 = 8,520.48/x
  3. Step 3: Cross multiply
    19,051.44x = 28,583.88 × 8,520.48
  4. Step 4: Simplify right side
    19,051.44x = 243,548,377.86
  5. Step 5: Solve for x
    x = 243,548,377.86/19,051.44
  6. Step 6: Final answer
    x = 12,783.73

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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.