Home / 18,734.87-28,106.72-6,084.57

Finding the Fourth Proportional to 18,734.87, 28,106.72 and 6,084.57

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Solution

The fourth proportional to 18,734.87, 28,106.72 and 6,084.57 is: 9,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.87 : 28,106.72 = 6,084.57 : x
  2. Step 2: Convert to fraction form
    18,734.87/28,106.72 = 6,084.57/x
  3. Step 3: Cross multiply
    18,734.87x = 28,106.72 × 6,084.57
  4. Step 4: Simplify right side
    18,734.87x = 171,017,274.89
  5. Step 5: Solve for x
    x = 171,017,274.89/18,734.87
  6. Step 6: Final answer
    x = 9,128.29

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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.