Home / 12,485.02-18,722.32-5,084.44

Finding the Fourth Proportional to 12,485.02, 18,722.32 and 5,084.44

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Solution

The fourth proportional to 12,485.02, 18,722.32 and 5,084.44 is: 7,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.02 : 18,722.32 = 5,084.44 : x
  2. Step 2: Convert to fraction form
    12,485.02/18,722.32 = 5,084.44/x
  3. Step 3: Cross multiply
    12,485.02x = 18,722.32 × 5,084.44
  4. Step 4: Simplify right side
    12,485.02x = 95,192,512.70
  5. Step 5: Solve for x
    x = 95,192,512.70/12,485.02
  6. Step 6: Final answer
    x = 7,624.54

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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.