Home / 11,307.10-16,997.10-8,042.80

Finding the Fourth Proportional to 11,307.10, 16,997.10 and 8,042.80

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Solution

The fourth proportional to 11,307.10, 16,997.10 and 8,042.80 is: 12,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.10 : 16,997.10 = 8,042.80 : x
  2. Step 2: Convert to fraction form
    11,307.10/16,997.10 = 8,042.80/x
  3. Step 3: Cross multiply
    11,307.10x = 16,997.10 × 8,042.80
  4. Step 4: Simplify right side
    11,307.10x = 136,704,275.88
  5. Step 5: Solve for x
    x = 136,704,275.88/11,307.10
  6. Step 6: Final answer
    x = 12,090.13

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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.