Home / 19,960.09-27,545.09-11,007.90

Finding the Fourth Proportional to 19,960.09, 27,545.09 and 11,007.90

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Solution

The fourth proportional to 19,960.09, 27,545.09 and 11,007.90 is: 15,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.09 : 27,545.09 = 11,007.90 : x
  2. Step 2: Convert to fraction form
    19,960.09/27,545.09 = 11,007.90/x
  3. Step 3: Cross multiply
    19,960.09x = 27,545.09 × 11,007.90
  4. Step 4: Simplify right side
    19,960.09x = 303,213,541.17
  5. Step 5: Solve for x
    x = 303,213,541.17/19,960.09
  6. Step 6: Final answer
    x = 15,190.99

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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.