Home / 12,493.32-18,741.29-4,170.43

Finding the Fourth Proportional to 12,493.32, 18,741.29 and 4,170.43

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Solution

The fourth proportional to 12,493.32, 18,741.29 and 4,170.43 is: 6,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.32 : 18,741.29 = 4,170.43 : x
  2. Step 2: Convert to fraction form
    12,493.32/18,741.29 = 4,170.43/x
  3. Step 3: Cross multiply
    12,493.32x = 18,741.29 × 4,170.43
  4. Step 4: Simplify right side
    12,493.32x = 78,159,238.05
  5. Step 5: Solve for x
    x = 78,159,238.05/12,493.32
  6. Step 6: Final answer
    x = 6,256.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.