Home / 14,457.20-21,704.03-12,495.29

Finding the Fourth Proportional to 14,457.20, 21,704.03 and 12,495.29

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Solution

The fourth proportional to 14,457.20, 21,704.03 and 12,495.29 is: 18,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.20 : 21,704.03 = 12,495.29 : x
  2. Step 2: Convert to fraction form
    14,457.20/21,704.03 = 12,495.29/x
  3. Step 3: Cross multiply
    14,457.20x = 21,704.03 × 12,495.29
  4. Step 4: Simplify right side
    14,457.20x = 271,197,978.02
  5. Step 5: Solve for x
    x = 271,197,978.02/14,457.20
  6. Step 6: Final answer
    x = 18,758.69

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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.