Home / 18,510.38-27,768.45-6,195.50

Finding the Fourth Proportional to 18,510.38, 27,768.45 and 6,195.50

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Solution

The fourth proportional to 18,510.38, 27,768.45 and 6,195.50 is: 9,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.38 : 27,768.45 = 6,195.50 : x
  2. Step 2: Convert to fraction form
    18,510.38/27,768.45 = 6,195.50/x
  3. Step 3: Cross multiply
    18,510.38x = 27,768.45 × 6,195.50
  4. Step 4: Simplify right side
    18,510.38x = 172,039,431.98
  5. Step 5: Solve for x
    x = 172,039,431.98/18,510.38
  6. Step 6: Final answer
    x = 9,294.21

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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.