Home / 11,015.64-15,201.59-5,979.86

Finding the Fourth Proportional to 11,015.64, 15,201.59 and 5,979.86

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Solution

The fourth proportional to 11,015.64, 15,201.59 and 5,979.86 is: 8,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.64 : 15,201.59 = 5,979.86 : x
  2. Step 2: Convert to fraction form
    11,015.64/15,201.59 = 5,979.86/x
  3. Step 3: Cross multiply
    11,015.64x = 15,201.59 × 5,979.86
  4. Step 4: Simplify right side
    11,015.64x = 90,903,432.93
  5. Step 5: Solve for x
    x = 90,903,432.93/11,015.64
  6. Step 6: Final answer
    x = 8,252.21

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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.