Home / 18,734.82-28,106.84-6,256.18

Finding the Fourth Proportional to 18,734.82, 28,106.84 and 6,256.18

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Solution

The fourth proportional to 18,734.82, 28,106.84 and 6,256.18 is: 9,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.82 : 28,106.84 = 6,256.18 : x
  2. Step 2: Convert to fraction form
    18,734.82/28,106.84 = 6,256.18/x
  3. Step 3: Cross multiply
    18,734.82x = 28,106.84 × 6,256.18
  4. Step 4: Simplify right side
    18,734.82x = 175,841,450.27
  5. Step 5: Solve for x
    x = 175,841,450.27/18,734.82
  6. Step 6: Final answer
    x = 9,385.81

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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.