Home / 17,721.54-26,612.64-11,836.25

Finding the Fourth Proportional to 17,721.54, 26,612.64 and 11,836.25

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Solution

The fourth proportional to 17,721.54, 26,612.64 and 11,836.25 is: 17,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.54 : 26,612.64 = 11,836.25 : x
  2. Step 2: Convert to fraction form
    17,721.54/26,612.64 = 11,836.25/x
  3. Step 3: Cross multiply
    17,721.54x = 26,612.64 × 11,836.25
  4. Step 4: Simplify right side
    17,721.54x = 314,993,727.14
  5. Step 5: Solve for x
    x = 314,993,727.14/17,721.54
  6. Step 6: Final answer
    x = 17,774.63

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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.