Home / 10,272.72-15,409.08-4,350.54

Finding the Fourth Proportional to 10,272.72, 15,409.08 and 4,350.54

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Solution

The fourth proportional to 10,272.72, 15,409.08 and 4,350.54 is: 6,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.72 : 15,409.08 = 4,350.54 : x
  2. Step 2: Convert to fraction form
    10,272.72/15,409.08 = 4,350.54/x
  3. Step 3: Cross multiply
    10,272.72x = 15,409.08 × 4,350.54
  4. Step 4: Simplify right side
    10,272.72x = 67,037,818.90
  5. Step 5: Solve for x
    x = 67,037,818.90/10,272.72
  6. Step 6: Final answer
    x = 6,525.81

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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.