Home / 11,190.36-16,785.54-2,870.37

Finding the Fourth Proportional to 11,190.36, 16,785.54 and 2,870.37

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Solution

The fourth proportional to 11,190.36, 16,785.54 and 2,870.37 is: 4,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.36 : 16,785.54 = 2,870.37 : x
  2. Step 2: Convert to fraction form
    11,190.36/16,785.54 = 2,870.37/x
  3. Step 3: Cross multiply
    11,190.36x = 16,785.54 × 2,870.37
  4. Step 4: Simplify right side
    11,190.36x = 48,180,703.27
  5. Step 5: Solve for x
    x = 48,180,703.27/11,190.36
  6. Step 6: Final answer
    x = 4,305.56

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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.