Home / 9,908.09-13,673.24-5,431.88

Finding the Fourth Proportional to 9,908.09, 13,673.24 and 5,431.88

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Solution

The fourth proportional to 9,908.09, 13,673.24 and 5,431.88 is: 7,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.09 : 13,673.24 = 5,431.88 : x
  2. Step 2: Convert to fraction form
    9,908.09/13,673.24 = 5,431.88/x
  3. Step 3: Cross multiply
    9,908.09x = 13,673.24 × 5,431.88
  4. Step 4: Simplify right side
    9,908.09x = 74,271,314.90
  5. Step 5: Solve for x
    x = 74,271,314.90/9,908.09
  6. Step 6: Final answer
    x = 7,496.03

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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.