Home / 13,991.00-19,301.04-8,322.57

Finding the Fourth Proportional to 13,991.00, 19,301.04 and 8,322.57

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Solution

The fourth proportional to 13,991.00, 19,301.04 and 8,322.57 is: 11,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.00 : 19,301.04 = 8,322.57 : x
  2. Step 2: Convert to fraction form
    13,991.00/19,301.04 = 8,322.57/x
  3. Step 3: Cross multiply
    13,991.00x = 19,301.04 × 8,322.57
  4. Step 4: Simplify right side
    13,991.00x = 160,634,256.47
  5. Step 5: Solve for x
    x = 160,634,256.47/13,991.00
  6. Step 6: Final answer
    x = 11,481.26

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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.