Home / 14,090.58-21,137.49-8,247.24

Finding the Fourth Proportional to 14,090.58, 21,137.49 and 8,247.24

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Solution

The fourth proportional to 14,090.58, 21,137.49 and 8,247.24 is: 12,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.58 : 21,137.49 = 8,247.24 : x
  2. Step 2: Convert to fraction form
    14,090.58/21,137.49 = 8,247.24/x
  3. Step 3: Cross multiply
    14,090.58x = 21,137.49 × 8,247.24
  4. Step 4: Simplify right side
    14,090.58x = 174,325,953.03
  5. Step 5: Solve for x
    x = 174,325,953.03/14,090.58
  6. Step 6: Final answer
    x = 12,371.81

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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.