Home / 11,579.18-15,981.89-6,546.31

Finding the Fourth Proportional to 11,579.18, 15,981.89 and 6,546.31

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Solution

The fourth proportional to 11,579.18, 15,981.89 and 6,546.31 is: 9,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.18 : 15,981.89 = 6,546.31 : x
  2. Step 2: Convert to fraction form
    11,579.18/15,981.89 = 6,546.31/x
  3. Step 3: Cross multiply
    11,579.18x = 15,981.89 × 6,546.31
  4. Step 4: Simplify right side
    11,579.18x = 104,622,333.64
  5. Step 5: Solve for x
    x = 104,622,333.64/11,579.18
  6. Step 6: Final answer
    x = 9,035.39

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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.