Home / 11,003.58-15,185.75-6,287.76

Finding the Fourth Proportional to 11,003.58, 15,185.75 and 6,287.76

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Solution

The fourth proportional to 11,003.58, 15,185.75 and 6,287.76 is: 8,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.58 : 15,185.75 = 6,287.76 : x
  2. Step 2: Convert to fraction form
    11,003.58/15,185.75 = 6,287.76/x
  3. Step 3: Cross multiply
    11,003.58x = 15,185.75 × 6,287.76
  4. Step 4: Simplify right side
    11,003.58x = 95,484,367.14
  5. Step 5: Solve for x
    x = 95,484,367.14/11,003.58
  6. Step 6: Final answer
    x = 8,677.57

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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.