Home / 9,719.68-14,579.97-3,146.38

Finding the Fourth Proportional to 9,719.68, 14,579.97 and 3,146.38

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Solution

The fourth proportional to 9,719.68, 14,579.97 and 3,146.38 is: 4,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.68 : 14,579.97 = 3,146.38 : x
  2. Step 2: Convert to fraction form
    9,719.68/14,579.97 = 3,146.38/x
  3. Step 3: Cross multiply
    9,719.68x = 14,579.97 × 3,146.38
  4. Step 4: Simplify right side
    9,719.68x = 45,874,126.01
  5. Step 5: Solve for x
    x = 45,874,126.01/9,719.68
  6. Step 6: Final answer
    x = 4,719.72

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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.