Home / 14,486.12-19,989.43-8,519.26

Finding the Fourth Proportional to 14,486.12, 19,989.43 and 8,519.26

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Solution

The fourth proportional to 14,486.12, 19,989.43 and 8,519.26 is: 11,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.12 : 19,989.43 = 8,519.26 : x
  2. Step 2: Convert to fraction form
    14,486.12/19,989.43 = 8,519.26/x
  3. Step 3: Cross multiply
    14,486.12x = 19,989.43 × 8,519.26
  4. Step 4: Simplify right side
    14,486.12x = 170,295,080.15
  5. Step 5: Solve for x
    x = 170,295,080.15/14,486.12
  6. Step 6: Final answer
    x = 11,755.74

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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.