Home / 19,561.32-26,991.09-11,061.18

Finding the Fourth Proportional to 19,561.32, 26,991.09 and 11,061.18

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Solution

The fourth proportional to 19,561.32, 26,991.09 and 11,061.18 is: 15,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.32 : 26,991.09 = 11,061.18 : x
  2. Step 2: Convert to fraction form
    19,561.32/26,991.09 = 11,061.18/x
  3. Step 3: Cross multiply
    19,561.32x = 26,991.09 × 11,061.18
  4. Step 4: Simplify right side
    19,561.32x = 298,553,304.89
  5. Step 5: Solve for x
    x = 298,553,304.89/19,561.32
  6. Step 6: Final answer
    x = 15,262.43

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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.