Home / 11,360.36-17,042.70-3,571.40

Finding the Fourth Proportional to 11,360.36, 17,042.70 and 3,571.40

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Solution

The fourth proportional to 11,360.36, 17,042.70 and 3,571.40 is: 5,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.36 : 17,042.70 = 3,571.40 : x
  2. Step 2: Convert to fraction form
    11,360.36/17,042.70 = 3,571.40/x
  3. Step 3: Cross multiply
    11,360.36x = 17,042.70 × 3,571.40
  4. Step 4: Simplify right side
    11,360.36x = 60,866,298.78
  5. Step 5: Solve for x
    x = 60,866,298.78/11,360.36
  6. Step 6: Final answer
    x = 5,357.78

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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.