Home / 19,858.82-29,795.06-12,454.61

Finding the Fourth Proportional to 19,858.82, 29,795.06 and 12,454.61

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Solution

The fourth proportional to 19,858.82, 29,795.06 and 12,454.61 is: 18,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.82 : 29,795.06 = 12,454.61 : x
  2. Step 2: Convert to fraction form
    19,858.82/29,795.06 = 12,454.61/x
  3. Step 3: Cross multiply
    19,858.82x = 29,795.06 × 12,454.61
  4. Step 4: Simplify right side
    19,858.82x = 371,085,831.93
  5. Step 5: Solve for x
    x = 371,085,831.93/19,858.82
  6. Step 6: Final answer
    x = 18,686.20

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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.