Home / 18,466.06-27,723.60-8,612.20

Finding the Fourth Proportional to 18,466.06, 27,723.60 and 8,612.20

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Solution

The fourth proportional to 18,466.06, 27,723.60 and 8,612.20 is: 12,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.06 : 27,723.60 = 8,612.20 : x
  2. Step 2: Convert to fraction form
    18,466.06/27,723.60 = 8,612.20/x
  3. Step 3: Cross multiply
    18,466.06x = 27,723.60 × 8,612.20
  4. Step 4: Simplify right side
    18,466.06x = 238,761,187.92
  5. Step 5: Solve for x
    x = 238,761,187.92/18,466.06
  6. Step 6: Final answer
    x = 12,929.73

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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.