Home / 10,251.94-15,380.31-4,405.30

Finding the Fourth Proportional to 10,251.94, 15,380.31 and 4,405.30

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Solution

The fourth proportional to 10,251.94, 15,380.31 and 4,405.30 is: 6,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.94 : 15,380.31 = 4,405.30 : x
  2. Step 2: Convert to fraction form
    10,251.94/15,380.31 = 4,405.30/x
  3. Step 3: Cross multiply
    10,251.94x = 15,380.31 × 4,405.30
  4. Step 4: Simplify right side
    10,251.94x = 67,754,879.64
  5. Step 5: Solve for x
    x = 67,754,879.64/10,251.94
  6. Step 6: Final answer
    x = 6,608.98

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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.