Home / 10,280.27-15,441.44-6,775.30

Finding the Fourth Proportional to 10,280.27, 15,441.44 and 6,775.30

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Solution

The fourth proportional to 10,280.27, 15,441.44 and 6,775.30 is: 10,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.27 : 15,441.44 = 6,775.30 : x
  2. Step 2: Convert to fraction form
    10,280.27/15,441.44 = 6,775.30/x
  3. Step 3: Cross multiply
    10,280.27x = 15,441.44 × 6,775.30
  4. Step 4: Simplify right side
    10,280.27x = 104,620,388.43
  5. Step 5: Solve for x
    x = 104,620,388.43/10,280.27
  6. Step 6: Final answer
    x = 10,176.81

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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.