Home / 14,090.88-21,121.13-9,164.06

Finding the Fourth Proportional to 14,090.88, 21,121.13 and 9,164.06

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Solution

The fourth proportional to 14,090.88, 21,121.13 and 9,164.06 is: 13,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.88 : 21,121.13 = 9,164.06 : x
  2. Step 2: Convert to fraction form
    14,090.88/21,121.13 = 9,164.06/x
  3. Step 3: Cross multiply
    14,090.88x = 21,121.13 × 9,164.06
  4. Step 4: Simplify right side
    14,090.88x = 193,555,151.16
  5. Step 5: Solve for x
    x = 193,555,151.16/14,090.88
  6. Step 6: Final answer
    x = 13,736.20

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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.