Home / 14,090.26-21,121.38-7,853.11

Finding the Fourth Proportional to 14,090.26, 21,121.38 and 7,853.11

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Solution

The fourth proportional to 14,090.26, 21,121.38 and 7,853.11 is: 11,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.26 : 21,121.38 = 7,853.11 : x
  2. Step 2: Convert to fraction form
    14,090.26/21,121.38 = 7,853.11/x
  3. Step 3: Cross multiply
    14,090.26x = 21,121.38 × 7,853.11
  4. Step 4: Simplify right side
    14,090.26x = 165,868,520.49
  5. Step 5: Solve for x
    x = 165,868,520.49/14,090.26
  6. Step 6: Final answer
    x = 11,771.86

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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.