Home / 19,631.84-27,097.68-11,679.68

Finding the Fourth Proportional to 19,631.84, 27,097.68 and 11,679.68

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Solution

The fourth proportional to 19,631.84, 27,097.68 and 11,679.68 is: 16,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.84 : 27,097.68 = 11,679.68 : x
  2. Step 2: Convert to fraction form
    19,631.84/27,097.68 = 11,679.68/x
  3. Step 3: Cross multiply
    19,631.84x = 27,097.68 × 11,679.68
  4. Step 4: Simplify right side
    19,631.84x = 316,492,231.14
  5. Step 5: Solve for x
    x = 316,492,231.14/19,631.84
  6. Step 6: Final answer
    x = 16,121.37

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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.