Home / 13,108.56-19,662.65-3,247.77

Finding the Fourth Proportional to 13,108.56, 19,662.65 and 3,247.77

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Solution

The fourth proportional to 13,108.56, 19,662.65 and 3,247.77 is: 4,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.56 : 19,662.65 = 3,247.77 : x
  2. Step 2: Convert to fraction form
    13,108.56/19,662.65 = 3,247.77/x
  3. Step 3: Cross multiply
    13,108.56x = 19,662.65 × 3,247.77
  4. Step 4: Simplify right side
    13,108.56x = 63,859,779.16
  5. Step 5: Solve for x
    x = 63,859,779.16/13,108.56
  6. Step 6: Final answer
    x = 4,871.61

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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.