Home / 10,250.28-15,376.37-4,405.55

Finding the Fourth Proportional to 10,250.28, 15,376.37 and 4,405.55

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Solution

The fourth proportional to 10,250.28, 15,376.37 and 4,405.55 is: 6,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.28 : 15,376.37 = 4,405.55 : x
  2. Step 2: Convert to fraction form
    10,250.28/15,376.37 = 4,405.55/x
  3. Step 3: Cross multiply
    10,250.28x = 15,376.37 × 4,405.55
  4. Step 4: Simplify right side
    10,250.28x = 67,741,267.94
  5. Step 5: Solve for x
    x = 67,741,267.94/10,250.28
  6. Step 6: Final answer
    x = 6,608.72

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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.