Home / 18,126.21-27,194.58-6,440.34

Finding the Fourth Proportional to 18,126.21, 27,194.58 and 6,440.34

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Solution

The fourth proportional to 18,126.21, 27,194.58 and 6,440.34 is: 9,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.21 : 27,194.58 = 6,440.34 : x
  2. Step 2: Convert to fraction form
    18,126.21/27,194.58 = 6,440.34/x
  3. Step 3: Cross multiply
    18,126.21x = 27,194.58 × 6,440.34
  4. Step 4: Simplify right side
    18,126.21x = 175,142,341.36
  5. Step 5: Solve for x
    x = 175,142,341.36/18,126.21
  6. Step 6: Final answer
    x = 9,662.38

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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.