Home / 12,065.32-16,651.79-6,761.26

Finding the Fourth Proportional to 12,065.32, 16,651.79 and 6,761.26

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Solution

The fourth proportional to 12,065.32, 16,651.79 and 6,761.26 is: 9,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.32 : 16,651.79 = 6,761.26 : x
  2. Step 2: Convert to fraction form
    12,065.32/16,651.79 = 6,761.26/x
  3. Step 3: Cross multiply
    12,065.32x = 16,651.79 × 6,761.26
  4. Step 4: Simplify right side
    12,065.32x = 112,587,047.85
  5. Step 5: Solve for x
    x = 112,587,047.85/12,065.32
  6. Step 6: Final answer
    x = 9,331.46

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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.