Home / 11,407.35-17,112.39-4,385.73

Finding the Fourth Proportional to 11,407.35, 17,112.39 and 4,385.73

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Solution

The fourth proportional to 11,407.35, 17,112.39 and 4,385.73 is: 6,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.35 : 17,112.39 = 4,385.73 : x
  2. Step 2: Convert to fraction form
    11,407.35/17,112.39 = 4,385.73/x
  3. Step 3: Cross multiply
    11,407.35x = 17,112.39 × 4,385.73
  4. Step 4: Simplify right side
    11,407.35x = 75,050,322.19
  5. Step 5: Solve for x
    x = 75,050,322.19/11,407.35
  6. Step 6: Final answer
    x = 6,579.12

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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.