Home / 10,966.43-16,455.92-4,640.81

Finding the Fourth Proportional to 10,966.43, 16,455.92 and 4,640.81

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Solution

The fourth proportional to 10,966.43, 16,455.92 and 4,640.81 is: 6,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.43 : 16,455.92 = 4,640.81 : x
  2. Step 2: Convert to fraction form
    10,966.43/16,455.92 = 4,640.81/x
  3. Step 3: Cross multiply
    10,966.43x = 16,455.92 × 4,640.81
  4. Step 4: Simplify right side
    10,966.43x = 76,368,774.89
  5. Step 5: Solve for x
    x = 76,368,774.89/10,966.43
  6. Step 6: Final answer
    x = 6,963.87

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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.