Home / 12,633.45-18,950.10-3,749.46

Finding the Fourth Proportional to 12,633.45, 18,950.10 and 3,749.46

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Solution

The fourth proportional to 12,633.45, 18,950.10 and 3,749.46 is: 5,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.45 : 18,950.10 = 3,749.46 : x
  2. Step 2: Convert to fraction form
    12,633.45/18,950.10 = 3,749.46/x
  3. Step 3: Cross multiply
    12,633.45x = 18,950.10 × 3,749.46
  4. Step 4: Simplify right side
    12,633.45x = 71,052,641.95
  5. Step 5: Solve for x
    x = 71,052,641.95/12,633.45
  6. Step 6: Final answer
    x = 5,624.17

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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.