Home / 10,025.77-15,029.20-3,447.36

Finding the Fourth Proportional to 10,025.77, 15,029.20 and 3,447.36

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Solution

The fourth proportional to 10,025.77, 15,029.20 and 3,447.36 is: 5,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.77 : 15,029.20 = 3,447.36 : x
  2. Step 2: Convert to fraction form
    10,025.77/15,029.20 = 3,447.36/x
  3. Step 3: Cross multiply
    10,025.77x = 15,029.20 × 3,447.36
  4. Step 4: Simplify right side
    10,025.77x = 51,810,979.15
  5. Step 5: Solve for x
    x = 51,810,979.15/10,025.77
  6. Step 6: Final answer
    x = 5,167.78

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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.