Home / 12,677.88-19,018.70-4,360.04

Finding the Fourth Proportional to 12,677.88, 19,018.70 and 4,360.04

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Solution

The fourth proportional to 12,677.88, 19,018.70 and 4,360.04 is: 6,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.88 : 19,018.70 = 4,360.04 : x
  2. Step 2: Convert to fraction form
    12,677.88/19,018.70 = 4,360.04/x
  3. Step 3: Cross multiply
    12,677.88x = 19,018.70 × 4,360.04
  4. Step 4: Simplify right side
    12,677.88x = 82,922,292.75
  5. Step 5: Solve for x
    x = 82,922,292.75/12,677.88
  6. Step 6: Final answer
    x = 6,540.71

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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.