Home / 14,284.44-19,712.64-7,996.80

Finding the Fourth Proportional to 14,284.44, 19,712.64 and 7,996.80

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Solution

The fourth proportional to 14,284.44, 19,712.64 and 7,996.80 is: 11,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.44 : 19,712.64 = 7,996.80 : x
  2. Step 2: Convert to fraction form
    14,284.44/19,712.64 = 7,996.80/x
  3. Step 3: Cross multiply
    14,284.44x = 19,712.64 × 7,996.80
  4. Step 4: Simplify right side
    14,284.44x = 157,638,039.55
  5. Step 5: Solve for x
    x = 157,638,039.55/14,284.44
  6. Step 6: Final answer
    x = 11,035.65

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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.