Home / 11,730.75-16,188.28-6,425.56

Finding the Fourth Proportional to 11,730.75, 16,188.28 and 6,425.56

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Solution

The fourth proportional to 11,730.75, 16,188.28 and 6,425.56 is: 8,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.75 : 16,188.28 = 6,425.56 : x
  2. Step 2: Convert to fraction form
    11,730.75/16,188.28 = 6,425.56/x
  3. Step 3: Cross multiply
    11,730.75x = 16,188.28 × 6,425.56
  4. Step 4: Simplify right side
    11,730.75x = 104,018,764.44
  5. Step 5: Solve for x
    x = 104,018,764.44/11,730.75
  6. Step 6: Final answer
    x = 8,867.19

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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.