Home / 12,133.32-16,743.96-6,755.76

Finding the Fourth Proportional to 12,133.32, 16,743.96 and 6,755.76

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Solution

The fourth proportional to 12,133.32, 16,743.96 and 6,755.76 is: 9,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.32 : 16,743.96 = 6,755.76 : x
  2. Step 2: Convert to fraction form
    12,133.32/16,743.96 = 6,755.76/x
  3. Step 3: Cross multiply
    12,133.32x = 16,743.96 × 6,755.76
  4. Step 4: Simplify right side
    12,133.32x = 113,118,175.21
  5. Step 5: Solve for x
    x = 113,118,175.21/12,133.32
  6. Step 6: Final answer
    x = 9,322.94

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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.