Home / 12,999.16-19,500.36-4,234.96

Finding the Fourth Proportional to 12,999.16, 19,500.36 and 4,234.96

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Solution

The fourth proportional to 12,999.16, 19,500.36 and 4,234.96 is: 6,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.16 : 19,500.36 = 4,234.96 : x
  2. Step 2: Convert to fraction form
    12,999.16/19,500.36 = 4,234.96/x
  3. Step 3: Cross multiply
    12,999.16x = 19,500.36 × 4,234.96
  4. Step 4: Simplify right side
    12,999.16x = 82,583,244.59
  5. Step 5: Solve for x
    x = 82,583,244.59/12,999.16
  6. Step 6: Final answer
    x = 6,352.97

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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.