Home / 11,780.31-16,257.06-6,475.62

Finding the Fourth Proportional to 11,780.31, 16,257.06 and 6,475.62

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Solution

The fourth proportional to 11,780.31, 16,257.06 and 6,475.62 is: 8,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.31 : 16,257.06 = 6,475.62 : x
  2. Step 2: Convert to fraction form
    11,780.31/16,257.06 = 6,475.62/x
  3. Step 3: Cross multiply
    11,780.31x = 16,257.06 × 6,475.62
  4. Step 4: Simplify right side
    11,780.31x = 105,274,542.88
  5. Step 5: Solve for x
    x = 105,274,542.88/11,780.31
  6. Step 6: Final answer
    x = 8,936.48

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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.