Home / 18,141.36-27,195.57-6,451.83

Finding the Fourth Proportional to 18,141.36, 27,195.57 and 6,451.83

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Solution

The fourth proportional to 18,141.36, 27,195.57 and 6,451.83 is: 9,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.36 : 27,195.57 = 6,451.83 : x
  2. Step 2: Convert to fraction form
    18,141.36/27,195.57 = 6,451.83/x
  3. Step 3: Cross multiply
    18,141.36x = 27,195.57 × 6,451.83
  4. Step 4: Simplify right side
    18,141.36x = 175,461,194.39
  5. Step 5: Solve for x
    x = 175,461,194.39/18,141.36
  6. Step 6: Final answer
    x = 9,671.89

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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.