Home / 12,671.12-19,007.46-4,879.94

Finding the Fourth Proportional to 12,671.12, 19,007.46 and 4,879.94

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Solution

The fourth proportional to 12,671.12, 19,007.46 and 4,879.94 is: 7,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.12 : 19,007.46 = 4,879.94 : x
  2. Step 2: Convert to fraction form
    12,671.12/19,007.46 = 4,879.94/x
  3. Step 3: Cross multiply
    12,671.12x = 19,007.46 × 4,879.94
  4. Step 4: Simplify right side
    12,671.12x = 92,755,264.35
  5. Step 5: Solve for x
    x = 92,755,264.35/12,671.12
  6. Step 6: Final answer
    x = 7,320.21

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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.