Home / 12,059.67-16,642.32-6,682.45

Finding the Fourth Proportional to 12,059.67, 16,642.32 and 6,682.45

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Solution

The fourth proportional to 12,059.67, 16,642.32 and 6,682.45 is: 9,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.67 : 16,642.32 = 6,682.45 : x
  2. Step 2: Convert to fraction form
    12,059.67/16,642.32 = 6,682.45/x
  3. Step 3: Cross multiply
    12,059.67x = 16,642.32 × 6,682.45
  4. Step 4: Simplify right side
    12,059.67x = 111,211,471.28
  5. Step 5: Solve for x
    x = 111,211,471.28/12,059.67
  6. Step 6: Final answer
    x = 9,221.77

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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.