Home / 12,675.03-19,014.60-7,163.79

Finding the Fourth Proportional to 12,675.03, 19,014.60 and 7,163.79

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Solution

The fourth proportional to 12,675.03, 19,014.60 and 7,163.79 is: 10,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.03 : 19,014.60 = 7,163.79 : x
  2. Step 2: Convert to fraction form
    12,675.03/19,014.60 = 7,163.79/x
  3. Step 3: Cross multiply
    12,675.03x = 19,014.60 × 7,163.79
  4. Step 4: Simplify right side
    12,675.03x = 136,216,623.55
  5. Step 5: Solve for x
    x = 136,216,623.55/12,675.03
  6. Step 6: Final answer
    x = 10,746.85

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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.