Home / 11,781.64-16,265.46-7,814.44

Finding the Fourth Proportional to 11,781.64, 16,265.46 and 7,814.44

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Solution

The fourth proportional to 11,781.64, 16,265.46 and 7,814.44 is: 10,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.64 : 16,265.46 = 7,814.44 : x
  2. Step 2: Convert to fraction form
    11,781.64/16,265.46 = 7,814.44/x
  3. Step 3: Cross multiply
    11,781.64x = 16,265.46 × 7,814.44
  4. Step 4: Simplify right side
    11,781.64x = 127,105,461.24
  5. Step 5: Solve for x
    x = 127,105,461.24/11,781.64
  6. Step 6: Final answer
    x = 10,788.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.