Home / 11,447.60-17,171.40-7,050.80

Finding the Fourth Proportional to 11,447.60, 17,171.40 and 7,050.80

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Solution

The fourth proportional to 11,447.60, 17,171.40 and 7,050.80 is: 10,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.60 : 17,171.40 = 7,050.80 : x
  2. Step 2: Convert to fraction form
    11,447.60/17,171.40 = 7,050.80/x
  3. Step 3: Cross multiply
    11,447.60x = 17,171.40 × 7,050.80
  4. Step 4: Simplify right side
    11,447.60x = 121,072,107.12
  5. Step 5: Solve for x
    x = 121,072,107.12/11,447.60
  6. Step 6: Final answer
    x = 10,576.20

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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.