Home / 18,561.93-27,805.77-11,162.31

Finding the Fourth Proportional to 18,561.93, 27,805.77 and 11,162.31

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Solution

The fourth proportional to 18,561.93, 27,805.77 and 11,162.31 is: 16,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.93 : 27,805.77 = 11,162.31 : x
  2. Step 2: Convert to fraction form
    18,561.93/27,805.77 = 11,162.31/x
  3. Step 3: Cross multiply
    18,561.93x = 27,805.77 × 11,162.31
  4. Step 4: Simplify right side
    18,561.93x = 310,376,624.53
  5. Step 5: Solve for x
    x = 310,376,624.53/18,561.93
  6. Step 6: Final answer
    x = 16,721.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.