Home / 19,971.14-27,571.39-13,265.91

Finding the Fourth Proportional to 19,971.14, 27,571.39 and 13,265.91

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Solution

The fourth proportional to 19,971.14, 27,571.39 and 13,265.91 is: 18,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.14 : 27,571.39 = 13,265.91 : x
  2. Step 2: Convert to fraction form
    19,971.14/27,571.39 = 13,265.91/x
  3. Step 3: Cross multiply
    19,971.14x = 27,571.39 × 13,265.91
  4. Step 4: Simplify right side
    19,971.14x = 365,759,545.15
  5. Step 5: Solve for x
    x = 365,759,545.15/19,971.14
  6. Step 6: Final answer
    x = 18,314.41

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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.