Home / 18,134.67-27,185.61-6,445.17

Finding the Fourth Proportional to 18,134.67, 27,185.61 and 6,445.17

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Solution

The fourth proportional to 18,134.67, 27,185.61 and 6,445.17 is: 9,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.67 : 27,185.61 = 6,445.17 : x
  2. Step 2: Convert to fraction form
    18,134.67/27,185.61 = 6,445.17/x
  3. Step 3: Cross multiply
    18,134.67x = 27,185.61 × 6,445.17
  4. Step 4: Simplify right side
    18,134.67x = 175,215,878.00
  5. Step 5: Solve for x
    x = 175,215,878.00/18,134.67
  6. Step 6: Final answer
    x = 9,661.93

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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.