Home / 11,008.32-16,513.76-3,991.64

Finding the Fourth Proportional to 11,008.32, 16,513.76 and 3,991.64

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Solution

The fourth proportional to 11,008.32, 16,513.76 and 3,991.64 is: 5,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.32 : 16,513.76 = 3,991.64 : x
  2. Step 2: Convert to fraction form
    11,008.32/16,513.76 = 3,991.64/x
  3. Step 3: Cross multiply
    11,008.32x = 16,513.76 × 3,991.64
  4. Step 4: Simplify right side
    11,008.32x = 65,917,036.23
  5. Step 5: Solve for x
    x = 65,917,036.23/11,008.32
  6. Step 6: Final answer
    x = 5,987.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.