Home / 12,999.37-19,499.04-4,234.27

Finding the Fourth Proportional to 12,999.37, 19,499.04 and 4,234.27

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Solution

The fourth proportional to 12,999.37, 19,499.04 and 4,234.27 is: 6,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.37 : 19,499.04 = 4,234.27 : x
  2. Step 2: Convert to fraction form
    12,999.37/19,499.04 = 4,234.27/x
  3. Step 3: Cross multiply
    12,999.37x = 19,499.04 × 4,234.27
  4. Step 4: Simplify right side
    12,999.37x = 82,564,200.10
  5. Step 5: Solve for x
    x = 82,564,200.10/12,999.37
  6. Step 6: Final answer
    x = 6,351.40

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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.