Home / 9,429.92-14,150-3,882.40

Finding the Fourth Proportional to 9,429.92, 14,150 and 3,882.40

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Solution

The fourth proportional to 9,429.92, 14,150 and 3,882.40 is: 5,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.92 : 14,150 = 3,882.40 : x
  2. Step 2: Convert to fraction form
    9,429.92/14,150 = 3,882.40/x
  3. Step 3: Cross multiply
    9,429.92x = 14,150 × 3,882.40
  4. Step 4: Simplify right side
    9,429.92x = 54,935,960
  5. Step 5: Solve for x
    x = 54,935,960/9,429.92
  6. Step 6: Final answer
    x = 5,825.71

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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.