Home / 9,949.36-14,918.90-2,928.46

Finding the Fourth Proportional to 9,949.36, 14,918.90 and 2,928.46

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Solution

The fourth proportional to 9,949.36, 14,918.90 and 2,928.46 is: 4,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.36 : 14,918.90 = 2,928.46 : x
  2. Step 2: Convert to fraction form
    9,949.36/14,918.90 = 2,928.46/x
  3. Step 3: Cross multiply
    9,949.36x = 14,918.90 × 2,928.46
  4. Step 4: Simplify right side
    9,949.36x = 43,689,401.89
  5. Step 5: Solve for x
    x = 43,689,401.89/9,949.36
  6. Step 6: Final answer
    x = 4,391.18

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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.