Home / 19,965.10-27,552.06-11,012.92

Finding the Fourth Proportional to 19,965.10, 27,552.06 and 11,012.92

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Solution

The fourth proportional to 19,965.10, 27,552.06 and 11,012.92 is: 15,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.10 : 27,552.06 = 11,012.92 : x
  2. Step 2: Convert to fraction form
    19,965.10/27,552.06 = 11,012.92/x
  3. Step 3: Cross multiply
    19,965.10x = 27,552.06 × 11,012.92
  4. Step 4: Simplify right side
    19,965.10x = 303,428,632.62
  5. Step 5: Solve for x
    x = 303,428,632.62/19,965.10
  6. Step 6: Final answer
    x = 15,197.95

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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.