Home / 19,814.48-27,344.82-11,318

Finding the Fourth Proportional to 19,814.48, 27,344.82 and 11,318

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Solution

The fourth proportional to 19,814.48, 27,344.82 and 11,318 is: 15,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.48 : 27,344.82 = 11,318 : x
  2. Step 2: Convert to fraction form
    19,814.48/27,344.82 = 11,318/x
  3. Step 3: Cross multiply
    19,814.48x = 27,344.82 × 11,318
  4. Step 4: Simplify right side
    19,814.48x = 309,488,672.76
  5. Step 5: Solve for x
    x = 309,488,672.76/19,814.48
  6. Step 6: Final answer
    x = 15,619.32

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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.