Home / 19,817.27-27,359.66-13,108.65

Finding the Fourth Proportional to 19,817.27, 27,359.66 and 13,108.65

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Solution

The fourth proportional to 19,817.27, 27,359.66 and 13,108.65 is: 18,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.27 : 27,359.66 = 13,108.65 : x
  2. Step 2: Convert to fraction form
    19,817.27/27,359.66 = 13,108.65/x
  3. Step 3: Cross multiply
    19,817.27x = 27,359.66 × 13,108.65
  4. Step 4: Simplify right side
    19,817.27x = 358,648,217.39
  5. Step 5: Solve for x
    x = 358,648,217.39/19,817.27
  6. Step 6: Final answer
    x = 18,097.76

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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.