Home / 12,675.21-19,006.60-7,411.56

Finding the Fourth Proportional to 12,675.21, 19,006.60 and 7,411.56

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Solution

The fourth proportional to 12,675.21, 19,006.60 and 7,411.56 is: 11,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.21 : 19,006.60 = 7,411.56 : x
  2. Step 2: Convert to fraction form
    12,675.21/19,006.60 = 7,411.56/x
  3. Step 3: Cross multiply
    12,675.21x = 19,006.60 × 7,411.56
  4. Step 4: Simplify right side
    12,675.21x = 140,868,556.30
  5. Step 5: Solve for x
    x = 140,868,556.30/12,675.21
  6. Step 6: Final answer
    x = 11,113.71

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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.