Home / 11,583.48-15,985.26-6,278.28

Finding the Fourth Proportional to 11,583.48, 15,985.26 and 6,278.28

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Solution

The fourth proportional to 11,583.48, 15,985.26 and 6,278.28 is: 8,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.48 : 15,985.26 = 6,278.28 : x
  2. Step 2: Convert to fraction form
    11,583.48/15,985.26 = 6,278.28/x
  3. Step 3: Cross multiply
    11,583.48x = 15,985.26 × 6,278.28
  4. Step 4: Simplify right side
    11,583.48x = 100,359,938.15
  5. Step 5: Solve for x
    x = 100,359,938.15/11,583.48
  6. Step 6: Final answer
    x = 8,664.06

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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.