Home / 14,308.96-19,755.12-11,336.80

Finding the Fourth Proportional to 14,308.96, 19,755.12 and 11,336.80

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Solution

The fourth proportional to 14,308.96, 19,755.12 and 11,336.80 is: 15,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.96 : 19,755.12 = 11,336.80 : x
  2. Step 2: Convert to fraction form
    14,308.96/19,755.12 = 11,336.80/x
  3. Step 3: Cross multiply
    14,308.96x = 19,755.12 × 11,336.80
  4. Step 4: Simplify right side
    14,308.96x = 223,959,844.42
  5. Step 5: Solve for x
    x = 223,959,844.42/14,308.96
  6. Step 6: Final answer
    x = 15,651.72

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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.