Home / 12,189.06-18,283.59-4,297.43

Finding the Fourth Proportional to 12,189.06, 18,283.59 and 4,297.43

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Solution

The fourth proportional to 12,189.06, 18,283.59 and 4,297.43 is: 6,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189.06 : 18,283.59 = 4,297.43 : x
  2. Step 2: Convert to fraction form
    12,189.06/18,283.59 = 4,297.43/x
  3. Step 3: Cross multiply
    12,189.06x = 18,283.59 × 4,297.43
  4. Step 4: Simplify right side
    12,189.06x = 78,572,493.88
  5. Step 5: Solve for x
    x = 78,572,493.88/12,189.06
  6. Step 6: Final answer
    x = 6,446.15

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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.