Home / 19,947.09-27,525.92-10,992.81

Finding the Fourth Proportional to 19,947.09, 27,525.92 and 10,992.81

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Solution

The fourth proportional to 19,947.09, 27,525.92 and 10,992.81 is: 15,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.09 : 27,525.92 = 10,992.81 : x
  2. Step 2: Convert to fraction form
    19,947.09/27,525.92 = 10,992.81/x
  3. Step 3: Cross multiply
    19,947.09x = 27,525.92 × 10,992.81
  4. Step 4: Simplify right side
    19,947.09x = 302,587,153.67
  5. Step 5: Solve for x
    x = 302,587,153.67/19,947.09
  6. Step 6: Final answer
    x = 15,169.49

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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.