Home / 19,960.47-27,545.09-11,008.80

Finding the Fourth Proportional to 19,960.47, 27,545.09 and 11,008.80

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Solution

The fourth proportional to 19,960.47, 27,545.09 and 11,008.80 is: 15,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.47 : 27,545.09 = 11,008.80 : x
  2. Step 2: Convert to fraction form
    19,960.47/27,545.09 = 11,008.80/x
  3. Step 3: Cross multiply
    19,960.47x = 27,545.09 × 11,008.80
  4. Step 4: Simplify right side
    19,960.47x = 303,238,331.75
  5. Step 5: Solve for x
    x = 303,238,331.75/19,960.47
  6. Step 6: Final answer
    x = 15,191.94

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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.