Home / 12,097.70-18,146.04-3,777.65

Finding the Fourth Proportional to 12,097.70, 18,146.04 and 3,777.65

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Solution

The fourth proportional to 12,097.70, 18,146.04 and 3,777.65 is: 5,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.70 : 18,146.04 = 3,777.65 : x
  2. Step 2: Convert to fraction form
    12,097.70/18,146.04 = 3,777.65/x
  3. Step 3: Cross multiply
    12,097.70x = 18,146.04 × 3,777.65
  4. Step 4: Simplify right side
    12,097.70x = 68,549,388.01
  5. Step 5: Solve for x
    x = 68,549,388.01/12,097.70
  6. Step 6: Final answer
    x = 5,666.32

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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.