Home / 9,717.78-14,578.38-6,433.56

Finding the Fourth Proportional to 9,717.78, 14,578.38 and 6,433.56

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Solution

The fourth proportional to 9,717.78, 14,578.38 and 6,433.56 is: 9,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.78 : 14,578.38 = 6,433.56 : x
  2. Step 2: Convert to fraction form
    9,717.78/14,578.38 = 6,433.56/x
  3. Step 3: Cross multiply
    9,717.78x = 14,578.38 × 6,433.56
  4. Step 4: Simplify right side
    9,717.78x = 93,790,882.43
  5. Step 5: Solve for x
    x = 93,790,882.43/9,717.78
  6. Step 6: Final answer
    x = 9,651.47

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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.