Home / 18,670.37-28,010.84-5,522.69

Finding the Fourth Proportional to 18,670.37, 28,010.84 and 5,522.69

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Solution

The fourth proportional to 18,670.37, 28,010.84 and 5,522.69 is: 8,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.37 : 28,010.84 = 5,522.69 : x
  2. Step 2: Convert to fraction form
    18,670.37/28,010.84 = 5,522.69/x
  3. Step 3: Cross multiply
    18,670.37x = 28,010.84 × 5,522.69
  4. Step 4: Simplify right side
    18,670.37x = 154,695,158.35
  5. Step 5: Solve for x
    x = 154,695,158.35/18,670.37
  6. Step 6: Final answer
    x = 8,285.60

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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.