Home / 18,670.44-28,004.12-6,186.38

Finding the Fourth Proportional to 18,670.44, 28,004.12 and 6,186.38

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Solution

The fourth proportional to 18,670.44, 28,004.12 and 6,186.38 is: 9,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.44 : 28,004.12 = 6,186.38 : x
  2. Step 2: Convert to fraction form
    18,670.44/28,004.12 = 6,186.38/x
  3. Step 3: Cross multiply
    18,670.44x = 28,004.12 × 6,186.38
  4. Step 4: Simplify right side
    18,670.44x = 173,244,127.89
  5. Step 5: Solve for x
    x = 173,244,127.89/18,670.44
  6. Step 6: Final answer
    x = 9,279.06

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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.