Home / 9,940.99-13,717.87-5,464.63

Finding the Fourth Proportional to 9,940.99, 13,717.87 and 5,464.63

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Solution

The fourth proportional to 9,940.99, 13,717.87 and 5,464.63 is: 7,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.99 : 13,717.87 = 5,464.63 : x
  2. Step 2: Convert to fraction form
    9,940.99/13,717.87 = 5,464.63/x
  3. Step 3: Cross multiply
    9,940.99x = 13,717.87 × 5,464.63
  4. Step 4: Simplify right side
    9,940.99x = 74,963,083.94
  5. Step 5: Solve for x
    x = 74,963,083.94/9,940.99
  6. Step 6: Final answer
    x = 7,540.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.