Home / 9,916.43-14,867.06-4,287.41

Finding the Fourth Proportional to 9,916.43, 14,867.06 and 4,287.41

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Solution

The fourth proportional to 9,916.43, 14,867.06 and 4,287.41 is: 6,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.43 : 14,867.06 = 4,287.41 : x
  2. Step 2: Convert to fraction form
    9,916.43/14,867.06 = 4,287.41/x
  3. Step 3: Cross multiply
    9,916.43x = 14,867.06 × 4,287.41
  4. Step 4: Simplify right side
    9,916.43x = 63,741,249.44
  5. Step 5: Solve for x
    x = 63,741,249.44/9,916.43
  6. Step 6: Final answer
    x = 6,427.85

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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.