Home / 10,383.87-15,573.85-2,785.26

Finding the Fourth Proportional to 10,383.87, 15,573.85 and 2,785.26

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Solution

The fourth proportional to 10,383.87, 15,573.85 and 2,785.26 is: 4,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.87 : 15,573.85 = 2,785.26 : x
  2. Step 2: Convert to fraction form
    10,383.87/15,573.85 = 2,785.26/x
  3. Step 3: Cross multiply
    10,383.87x = 15,573.85 × 2,785.26
  4. Step 4: Simplify right side
    10,383.87x = 43,377,272.89
  5. Step 5: Solve for x
    x = 43,377,272.89/10,383.87
  6. Step 6: Final answer
    x = 4,177.37

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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.