Home / 19,326.88-28,998.57-8,238.79

Finding the Fourth Proportional to 19,326.88, 28,998.57 and 8,238.79

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Solution

The fourth proportional to 19,326.88, 28,998.57 and 8,238.79 is: 12,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.88 : 28,998.57 = 8,238.79 : x
  2. Step 2: Convert to fraction form
    19,326.88/28,998.57 = 8,238.79/x
  3. Step 3: Cross multiply
    19,326.88x = 28,998.57 × 8,238.79
  4. Step 4: Simplify right side
    19,326.88x = 238,913,195.67
  5. Step 5: Solve for x
    x = 238,913,195.67/19,326.88
  6. Step 6: Final answer
    x = 12,361.70

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1.5x scale

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.