Home / 14,447.59-21,671.43-3,917.68

Finding the Fourth Proportional to 14,447.59, 21,671.43 and 3,917.68

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Solution

The fourth proportional to 14,447.59, 21,671.43 and 3,917.68 is: 5,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.59 : 21,671.43 = 3,917.68 : x
  2. Step 2: Convert to fraction form
    14,447.59/21,671.43 = 3,917.68/x
  3. Step 3: Cross multiply
    14,447.59x = 21,671.43 × 3,917.68
  4. Step 4: Simplify right side
    14,447.59x = 84,901,727.88
  5. Step 5: Solve for x
    x = 84,901,727.88/14,447.59
  6. Step 6: Final answer
    x = 5,876.53

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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.