Home / 17,999.64-26,991.09-5,516.46

Finding the Fourth Proportional to 17,999.64, 26,991.09 and 5,516.46

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Solution

The fourth proportional to 17,999.64, 26,991.09 and 5,516.46 is: 8,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.64 : 26,991.09 = 5,516.46 : x
  2. Step 2: Convert to fraction form
    17,999.64/26,991.09 = 5,516.46/x
  3. Step 3: Cross multiply
    17,999.64x = 26,991.09 × 5,516.46
  4. Step 4: Simplify right side
    17,999.64x = 148,895,268.34
  5. Step 5: Solve for x
    x = 148,895,268.34/17,999.64
  6. Step 6: Final answer
    x = 8,272.12

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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.