Home / 12,910.60-19,360.14-3,674.44

Finding the Fourth Proportional to 12,910.60, 19,360.14 and 3,674.44

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Solution

The fourth proportional to 12,910.60, 19,360.14 and 3,674.44 is: 5,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.60 : 19,360.14 = 3,674.44 : x
  2. Step 2: Convert to fraction form
    12,910.60/19,360.14 = 3,674.44/x
  3. Step 3: Cross multiply
    12,910.60x = 19,360.14 × 3,674.44
  4. Step 4: Simplify right side
    12,910.60x = 71,137,672.82
  5. Step 5: Solve for x
    x = 71,137,672.82/12,910.60
  6. Step 6: Final answer
    x = 5,510.02

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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.