Home / 9,949.16-14,916.21-8,578.64

Finding the Fourth Proportional to 9,949.16, 14,916.21 and 8,578.64

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Solution

The fourth proportional to 9,949.16, 14,916.21 and 8,578.64 is: 12,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.16 : 14,916.21 = 8,578.64 : x
  2. Step 2: Convert to fraction form
    9,949.16/14,916.21 = 8,578.64/x
  3. Step 3: Cross multiply
    9,949.16x = 14,916.21 × 8,578.64
  4. Step 4: Simplify right side
    9,949.16x = 127,960,795.75
  5. Step 5: Solve for x
    x = 127,960,795.75/9,949.16
  6. Step 6: Final answer
    x = 12,861.47

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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.