Home / 10,770.68-16,144.50-7,683.32

Finding the Fourth Proportional to 10,770.68, 16,144.50 and 7,683.32

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Solution

The fourth proportional to 10,770.68, 16,144.50 and 7,683.32 is: 11,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.68 : 16,144.50 = 7,683.32 : x
  2. Step 2: Convert to fraction form
    10,770.68/16,144.50 = 7,683.32/x
  3. Step 3: Cross multiply
    10,770.68x = 16,144.50 × 7,683.32
  4. Step 4: Simplify right side
    10,770.68x = 124,043,359.74
  5. Step 5: Solve for x
    x = 124,043,359.74/10,770.68
  6. Step 6: Final answer
    x = 11,516.76

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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.