Home / 9,918.85-14,880.71-4,579.53

Finding the Fourth Proportional to 9,918.85, 14,880.71 and 4,579.53

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Solution

The fourth proportional to 9,918.85, 14,880.71 and 4,579.53 is: 6,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.85 : 14,880.71 = 4,579.53 : x
  2. Step 2: Convert to fraction form
    9,918.85/14,880.71 = 4,579.53/x
  3. Step 3: Cross multiply
    9,918.85x = 14,880.71 × 4,579.53
  4. Step 4: Simplify right side
    9,918.85x = 68,146,634.97
  5. Step 5: Solve for x
    x = 68,146,634.97/9,918.85
  6. Step 6: Final answer
    x = 6,870.42

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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.