Home / 18,215.89-27,314.70-8,850.04

Finding the Fourth Proportional to 18,215.89, 27,314.70 and 8,850.04

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Solution

The fourth proportional to 18,215.89, 27,314.70 and 8,850.04 is: 13,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.89 : 27,314.70 = 8,850.04 : x
  2. Step 2: Convert to fraction form
    18,215.89/27,314.70 = 8,850.04/x
  3. Step 3: Cross multiply
    18,215.89x = 27,314.70 × 8,850.04
  4. Step 4: Simplify right side
    18,215.89x = 241,736,187.59
  5. Step 5: Solve for x
    x = 241,736,187.59/18,215.89
  6. Step 6: Final answer
    x = 13,270.62

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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.