Home / 14,490.12-19,996.86-8,116.98

Finding the Fourth Proportional to 14,490.12, 19,996.86 and 8,116.98

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Solution

The fourth proportional to 14,490.12, 19,996.86 and 8,116.98 is: 11,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.12 : 19,996.86 = 8,116.98 : x
  2. Step 2: Convert to fraction form
    14,490.12/19,996.86 = 8,116.98/x
  3. Step 3: Cross multiply
    14,490.12x = 19,996.86 × 8,116.98
  4. Step 4: Simplify right side
    14,490.12x = 162,314,112.68
  5. Step 5: Solve for x
    x = 162,314,112.68/14,490.12
  6. Step 6: Final answer
    x = 11,201.71

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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.