Home / 30,153.22-45,193.50-11,162.68

Finding the Fourth Proportional to 30,153.22, 45,193.50 and 11,162.68

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Solution

The fourth proportional to 30,153.22, 45,193.50 and 11,162.68 is: 16,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.22 : 45,193.50 = 11,162.68 : x
  2. Step 2: Convert to fraction form
    30,153.22/45,193.50 = 11,162.68/x
  3. Step 3: Cross multiply
    30,153.22x = 45,193.50 × 11,162.68
  4. Step 4: Simplify right side
    30,153.22x = 504,480,578.58
  5. Step 5: Solve for x
    x = 504,480,578.58/30,153.22
  6. Step 6: Final answer
    x = 16,730.57

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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.