Home / 11,780.73-16,256.97-6,475.23

Finding the Fourth Proportional to 11,780.73, 16,256.97 and 6,475.23

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Solution

The fourth proportional to 11,780.73, 16,256.97 and 6,475.23 is: 8,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.73 : 16,256.97 = 6,475.23 : x
  2. Step 2: Convert to fraction form
    11,780.73/16,256.97 = 6,475.23/x
  3. Step 3: Cross multiply
    11,780.73x = 16,256.97 × 6,475.23
  4. Step 4: Simplify right side
    11,780.73x = 105,267,619.85
  5. Step 5: Solve for x
    x = 105,267,619.85/11,780.73
  6. Step 6: Final answer
    x = 8,935.58

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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.