Home / 18,934.50-28,405.40-8,546.26

Finding the Fourth Proportional to 18,934.50, 28,405.40 and 8,546.26

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Solution

The fourth proportional to 18,934.50, 28,405.40 and 8,546.26 is: 12,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.50 : 28,405.40 = 8,546.26 : x
  2. Step 2: Convert to fraction form
    18,934.50/28,405.40 = 8,546.26/x
  3. Step 3: Cross multiply
    18,934.50x = 28,405.40 × 8,546.26
  4. Step 4: Simplify right side
    18,934.50x = 242,759,933.80
  5. Step 5: Solve for x
    x = 242,759,933.80/18,934.50
  6. Step 6: Final answer
    x = 12,821.04

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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.