Home / 11,629.28-17,429.30-5,775.40

Finding the Fourth Proportional to 11,629.28, 17,429.30 and 5,775.40

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Solution

The fourth proportional to 11,629.28, 17,429.30 and 5,775.40 is: 8,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.28 : 17,429.30 = 5,775.40 : x
  2. Step 2: Convert to fraction form
    11,629.28/17,429.30 = 5,775.40/x
  3. Step 3: Cross multiply
    11,629.28x = 17,429.30 × 5,775.40
  4. Step 4: Simplify right side
    11,629.28x = 100,661,179.22
  5. Step 5: Solve for x
    x = 100,661,179.22/11,629.28
  6. Step 6: Final answer
    x = 8,655.84

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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.