Home / 9,930.24-14,880.78-4,083.66

Finding the Fourth Proportional to 9,930.24, 14,880.78 and 4,083.66

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Solution

The fourth proportional to 9,930.24, 14,880.78 and 4,083.66 is: 6,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.24 : 14,880.78 = 4,083.66 : x
  2. Step 2: Convert to fraction form
    9,930.24/14,880.78 = 4,083.66/x
  3. Step 3: Cross multiply
    9,930.24x = 14,880.78 × 4,083.66
  4. Step 4: Simplify right side
    9,930.24x = 60,768,046.05
  5. Step 5: Solve for x
    x = 60,768,046.05/9,930.24
  6. Step 6: Final answer
    x = 6,119.49

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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.