Home / 19,960.49-27,545.56-11,007.81

Finding the Fourth Proportional to 19,960.49, 27,545.56 and 11,007.81

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Solution

The fourth proportional to 19,960.49, 27,545.56 and 11,007.81 is: 15,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.49 : 27,545.56 = 11,007.81 : x
  2. Step 2: Convert to fraction form
    19,960.49/27,545.56 = 11,007.81/x
  3. Step 3: Cross multiply
    19,960.49x = 27,545.56 × 11,007.81
  4. Step 4: Simplify right side
    19,960.49x = 303,216,263.30
  5. Step 5: Solve for x
    x = 303,216,263.30/19,960.49
  6. Step 6: Final answer
    x = 15,190.82

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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.