Home / 14,619.18-20,174.68-8,246.07

Finding the Fourth Proportional to 14,619.18, 20,174.68 and 8,246.07

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Solution

The fourth proportional to 14,619.18, 20,174.68 and 8,246.07 is: 11,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.18 : 20,174.68 = 8,246.07 : x
  2. Step 2: Convert to fraction form
    14,619.18/20,174.68 = 8,246.07/x
  3. Step 3: Cross multiply
    14,619.18x = 20,174.68 × 8,246.07
  4. Step 4: Simplify right side
    14,619.18x = 166,361,782.28
  5. Step 5: Solve for x
    x = 166,361,782.28/14,619.18
  6. Step 6: Final answer
    x = 11,379.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.