Home / 10,651.55-15,977.34-6,747.75

Finding the Fourth Proportional to 10,651.55, 15,977.34 and 6,747.75

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Solution

The fourth proportional to 10,651.55, 15,977.34 and 6,747.75 is: 10,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.55 : 15,977.34 = 6,747.75 : x
  2. Step 2: Convert to fraction form
    10,651.55/15,977.34 = 6,747.75/x
  3. Step 3: Cross multiply
    10,651.55x = 15,977.34 × 6,747.75
  4. Step 4: Simplify right side
    10,651.55x = 107,811,095.99
  5. Step 5: Solve for x
    x = 107,811,095.99/10,651.55
  6. Step 6: Final answer
    x = 10,121.64

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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.