Home / 11,583.55-15,985.31-6,278.36

Finding the Fourth Proportional to 11,583.55, 15,985.31 and 6,278.36

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Solution

The fourth proportional to 11,583.55, 15,985.31 and 6,278.36 is: 8,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.55 : 15,985.31 = 6,278.36 : x
  2. Step 2: Convert to fraction form
    11,583.55/15,985.31 = 6,278.36/x
  3. Step 3: Cross multiply
    11,583.55x = 15,985.31 × 6,278.36
  4. Step 4: Simplify right side
    11,583.55x = 100,361,586.55
  5. Step 5: Solve for x
    x = 100,361,586.55/11,583.55
  6. Step 6: Final answer
    x = 8,664.15

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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.