Home / 19,898.69-27,453.13-12,337.20

Finding the Fourth Proportional to 19,898.69, 27,453.13 and 12,337.20

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Solution

The fourth proportional to 19,898.69, 27,453.13 and 12,337.20 is: 17,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.69 : 27,453.13 = 12,337.20 : x
  2. Step 2: Convert to fraction form
    19,898.69/27,453.13 = 12,337.20/x
  3. Step 3: Cross multiply
    19,898.69x = 27,453.13 × 12,337.20
  4. Step 4: Simplify right side
    19,898.69x = 338,694,724.59
  5. Step 5: Solve for x
    x = 338,694,724.59/19,898.69
  6. Step 6: Final answer
    x = 17,020.96

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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.