Home / 12,095.70-18,143.04-3,775.65

Finding the Fourth Proportional to 12,095.70, 18,143.04 and 3,775.65

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Solution

The fourth proportional to 12,095.70, 18,143.04 and 3,775.65 is: 5,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.70 : 18,143.04 = 3,775.65 : x
  2. Step 2: Convert to fraction form
    12,095.70/18,143.04 = 3,775.65/x
  3. Step 3: Cross multiply
    12,095.70x = 18,143.04 × 3,775.65
  4. Step 4: Simplify right side
    12,095.70x = 68,501,768.98
  5. Step 5: Solve for x
    x = 68,501,768.98/12,095.70
  6. Step 6: Final answer
    x = 5,663.32

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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.