Home / 11,015.84-15,201.45-5,979.96

Finding the Fourth Proportional to 11,015.84, 15,201.45 and 5,979.96

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Solution

The fourth proportional to 11,015.84, 15,201.45 and 5,979.96 is: 8,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.84 : 15,201.45 = 5,979.96 : x
  2. Step 2: Convert to fraction form
    11,015.84/15,201.45 = 5,979.96/x
  3. Step 3: Cross multiply
    11,015.84x = 15,201.45 × 5,979.96
  4. Step 4: Simplify right side
    11,015.84x = 90,903,986.93
  5. Step 5: Solve for x
    x = 90,903,986.93/11,015.84
  6. Step 6: Final answer
    x = 8,252.12

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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.