Home / 14,489.88-19,996.77-8,116.09

Finding the Fourth Proportional to 14,489.88, 19,996.77 and 8,116.09

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Solution

The fourth proportional to 14,489.88, 19,996.77 and 8,116.09 is: 11,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.88 : 19,996.77 = 8,116.09 : x
  2. Step 2: Convert to fraction form
    14,489.88/19,996.77 = 8,116.09/x
  3. Step 3: Cross multiply
    14,489.88x = 19,996.77 × 8,116.09
  4. Step 4: Simplify right side
    14,489.88x = 162,295,565.47
  5. Step 5: Solve for x
    x = 162,295,565.47/14,489.88
  6. Step 6: Final answer
    x = 11,200.62

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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.