Home / 18,261.91-27,376.08-7,726.19

Finding the Fourth Proportional to 18,261.91, 27,376.08 and 7,726.19

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Solution

The fourth proportional to 18,261.91, 27,376.08 and 7,726.19 is: 11,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.91 : 27,376.08 = 7,726.19 : x
  2. Step 2: Convert to fraction form
    18,261.91/27,376.08 = 7,726.19/x
  3. Step 3: Cross multiply
    18,261.91x = 27,376.08 × 7,726.19
  4. Step 4: Simplify right side
    18,261.91x = 211,512,629.68
  5. Step 5: Solve for x
    x = 211,512,629.68/18,261.91
  6. Step 6: Final answer
    x = 11,582.18

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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.