Home / 11,756.85-16,225.31-7,771.05

Finding the Fourth Proportional to 11,756.85, 16,225.31 and 7,771.05

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Solution

The fourth proportional to 11,756.85, 16,225.31 and 7,771.05 is: 10,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.85 : 16,225.31 = 7,771.05 : x
  2. Step 2: Convert to fraction form
    11,756.85/16,225.31 = 7,771.05/x
  3. Step 3: Cross multiply
    11,756.85x = 16,225.31 × 7,771.05
  4. Step 4: Simplify right side
    11,756.85x = 126,087,656.42
  5. Step 5: Solve for x
    x = 126,087,656.42/11,756.85
  6. Step 6: Final answer
    x = 10,724.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.