Home / 9,003.69-13,496.31-3,455.60

Finding the Fourth Proportional to 9,003.69, 13,496.31 and 3,455.60

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Solution

The fourth proportional to 9,003.69, 13,496.31 and 3,455.60 is: 5,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.69 : 13,496.31 = 3,455.60 : x
  2. Step 2: Convert to fraction form
    9,003.69/13,496.31 = 3,455.60/x
  3. Step 3: Cross multiply
    9,003.69x = 13,496.31 × 3,455.60
  4. Step 4: Simplify right side
    9,003.69x = 46,637,781.35
  5. Step 5: Solve for x
    x = 46,637,781.35/9,003.69
  6. Step 6: Final answer
    x = 5,179.85

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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.