Home / 11,553.48-15,939.84-6,517.08

Finding the Fourth Proportional to 11,553.48, 15,939.84 and 6,517.08

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Solution

The fourth proportional to 11,553.48, 15,939.84 and 6,517.08 is: 8,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.48 : 15,939.84 = 6,517.08 : x
  2. Step 2: Convert to fraction form
    11,553.48/15,939.84 = 6,517.08/x
  3. Step 3: Cross multiply
    11,553.48x = 15,939.84 × 6,517.08
  4. Step 4: Simplify right side
    11,553.48x = 103,881,212.47
  5. Step 5: Solve for x
    x = 103,881,212.47/11,553.48
  6. Step 6: Final answer
    x = 8,991.34

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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.