Home / 9,940.19-13,717.49-5,464.40

Finding the Fourth Proportional to 9,940.19, 13,717.49 and 5,464.40

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Solution

The fourth proportional to 9,940.19, 13,717.49 and 5,464.40 is: 7,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.19 : 13,717.49 = 5,464.40 : x
  2. Step 2: Convert to fraction form
    9,940.19/13,717.49 = 5,464.40/x
  3. Step 3: Cross multiply
    9,940.19x = 13,717.49 × 5,464.40
  4. Step 4: Simplify right side
    9,940.19x = 74,957,756.45
  5. Step 5: Solve for x
    x = 74,957,756.45/9,940.19
  6. Step 6: Final answer
    x = 7,540.88

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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.