Home / 10,647.58-15,971.37-3,251.64

Finding the Fourth Proportional to 10,647.58, 15,971.37 and 3,251.64

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Solution

The fourth proportional to 10,647.58, 15,971.37 and 3,251.64 is: 4,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.58 : 15,971.37 = 3,251.64 : x
  2. Step 2: Convert to fraction form
    10,647.58/15,971.37 = 3,251.64/x
  3. Step 3: Cross multiply
    10,647.58x = 15,971.37 × 3,251.64
  4. Step 4: Simplify right side
    10,647.58x = 51,933,145.55
  5. Step 5: Solve for x
    x = 51,933,145.55/10,647.58
  6. Step 6: Final answer
    x = 4,877.46

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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.