Home / 12,940.35-19,410.51-4,175.26

Finding the Fourth Proportional to 12,940.35, 19,410.51 and 4,175.26

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Solution

The fourth proportional to 12,940.35, 19,410.51 and 4,175.26 is: 6,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.35 : 19,410.51 = 4,175.26 : x
  2. Step 2: Convert to fraction form
    12,940.35/19,410.51 = 4,175.26/x
  3. Step 3: Cross multiply
    12,940.35x = 19,410.51 × 4,175.26
  4. Step 4: Simplify right side
    12,940.35x = 81,043,925.98
  5. Step 5: Solve for x
    x = 81,043,925.98/12,940.35
  6. Step 6: Final answer
    x = 6,262.89

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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.