Home / 10,771.81-16,156.85-6,811.52

Finding the Fourth Proportional to 10,771.81, 16,156.85 and 6,811.52

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Solution

The fourth proportional to 10,771.81, 16,156.85 and 6,811.52 is: 10,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.81 : 16,156.85 = 6,811.52 : x
  2. Step 2: Convert to fraction form
    10,771.81/16,156.85 = 6,811.52/x
  3. Step 3: Cross multiply
    10,771.81x = 16,156.85 × 6,811.52
  4. Step 4: Simplify right side
    10,771.81x = 110,052,592.07
  5. Step 5: Solve for x
    x = 110,052,592.07/10,771.81
  6. Step 6: Final answer
    x = 10,216.72

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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.