Home / 14,129.21-21,197.72-6,238.01

Finding the Fourth Proportional to 14,129.21, 21,197.72 and 6,238.01

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Solution

The fourth proportional to 14,129.21, 21,197.72 and 6,238.01 is: 9,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.21 : 21,197.72 = 6,238.01 : x
  2. Step 2: Convert to fraction form
    14,129.21/21,197.72 = 6,238.01/x
  3. Step 3: Cross multiply
    14,129.21x = 21,197.72 × 6,238.01
  4. Step 4: Simplify right side
    14,129.21x = 132,231,611.14
  5. Step 5: Solve for x
    x = 132,231,611.14/14,129.21
  6. Step 6: Final answer
    x = 9,358.74

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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.