Home / 12,926.73-19,391.93-4,159.61

Finding the Fourth Proportional to 12,926.73, 19,391.93 and 4,159.61

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Solution

The fourth proportional to 12,926.73, 19,391.93 and 4,159.61 is: 6,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.73 : 19,391.93 = 4,159.61 : x
  2. Step 2: Convert to fraction form
    12,926.73/19,391.93 = 4,159.61/x
  3. Step 3: Cross multiply
    12,926.73x = 19,391.93 × 4,159.61
  4. Step 4: Simplify right side
    12,926.73x = 80,662,865.95
  5. Step 5: Solve for x
    x = 80,662,865.95/12,926.73
  6. Step 6: Final answer
    x = 6,240.01

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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.