Home / 14,173.10-21,260-6,778.34

Finding the Fourth Proportional to 14,173.10, 21,260 and 6,778.34

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Solution

The fourth proportional to 14,173.10, 21,260 and 6,778.34 is: 10,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.10 : 21,260 = 6,778.34 : x
  2. Step 2: Convert to fraction form
    14,173.10/21,260 = 6,778.34/x
  3. Step 3: Cross multiply
    14,173.10x = 21,260 × 6,778.34
  4. Step 4: Simplify right side
    14,173.10x = 144,107,508.40
  5. Step 5: Solve for x
    x = 144,107,508.40/14,173.10
  6. Step 6: Final answer
    x = 10,167.68

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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.