Home / 14,039.88-19,376.06-8,073.42

Finding the Fourth Proportional to 14,039.88, 19,376.06 and 8,073.42

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Solution

The fourth proportional to 14,039.88, 19,376.06 and 8,073.42 is: 11,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.88 : 19,376.06 = 8,073.42 : x
  2. Step 2: Convert to fraction form
    14,039.88/19,376.06 = 8,073.42/x
  3. Step 3: Cross multiply
    14,039.88x = 19,376.06 × 8,073.42
  4. Step 4: Simplify right side
    14,039.88x = 156,431,029.96
  5. Step 5: Solve for x
    x = 156,431,029.96/14,039.88
  6. Step 6: Final answer
    x = 11,141.91

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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.