Home / 11,554.29-15,944.87-6,518.51

Finding the Fourth Proportional to 11,554.29, 15,944.87 and 6,518.51

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Solution

The fourth proportional to 11,554.29, 15,944.87 and 6,518.51 is: 8,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.29 : 15,944.87 = 6,518.51 : x
  2. Step 2: Convert to fraction form
    11,554.29/15,944.87 = 6,518.51/x
  3. Step 3: Cross multiply
    11,554.29x = 15,944.87 × 6,518.51
  4. Step 4: Simplify right side
    11,554.29x = 103,936,787.52
  5. Step 5: Solve for x
    x = 103,936,787.52/11,554.29
  6. Step 6: Final answer
    x = 8,995.52

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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.