Home / 11,583.94-15,985.70-6,278.66

Finding the Fourth Proportional to 11,583.94, 15,985.70 and 6,278.66

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Solution

The fourth proportional to 11,583.94, 15,985.70 and 6,278.66 is: 8,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.94 : 15,985.70 = 6,278.66 : x
  2. Step 2: Convert to fraction form
    11,583.94/15,985.70 = 6,278.66/x
  3. Step 3: Cross multiply
    11,583.94x = 15,985.70 × 6,278.66
  4. Step 4: Simplify right side
    11,583.94x = 100,368,775.16
  5. Step 5: Solve for x
    x = 100,368,775.16/11,583.94
  6. Step 6: Final answer
    x = 8,664.48

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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.