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Finding the Fourth Proportional to 11,009.88, 15,193.08 and 6,533.82

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Solution

The fourth proportional to 11,009.88, 15,193.08 and 6,533.82 is: 9,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.88 : 15,193.08 = 6,533.82 : x
  2. Step 2: Convert to fraction form
    11,009.88/15,193.08 = 6,533.82/x
  3. Step 3: Cross multiply
    11,009.88x = 15,193.08 × 6,533.82
  4. Step 4: Simplify right side
    11,009.88x = 99,268,849.97
  5. Step 5: Solve for x
    x = 99,268,849.97/11,009.88
  6. Step 6: Final answer
    x = 9,016.34

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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.