Home / 18,116.58-24,992.37-12,814.32

Finding the Fourth Proportional to 18,116.58, 24,992.37 and 12,814.32

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Solution

The fourth proportional to 18,116.58, 24,992.37 and 12,814.32 is: 17,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.58 : 24,992.37 = 12,814.32 : x
  2. Step 2: Convert to fraction form
    18,116.58/24,992.37 = 12,814.32/x
  3. Step 3: Cross multiply
    18,116.58x = 24,992.37 × 12,814.32
  4. Step 4: Simplify right side
    18,116.58x = 320,260,179.88
  5. Step 5: Solve for x
    x = 320,260,179.88/18,116.58
  6. Step 6: Final answer
    x = 17,677.74

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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.