Home / 18,276.97-27,377.18-11,669.50

Finding the Fourth Proportional to 18,276.97, 27,377.18 and 11,669.50

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Solution

The fourth proportional to 18,276.97, 27,377.18 and 11,669.50 is: 17,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.97 : 27,377.18 = 11,669.50 : x
  2. Step 2: Convert to fraction form
    18,276.97/27,377.18 = 11,669.50/x
  3. Step 3: Cross multiply
    18,276.97x = 27,377.18 × 11,669.50
  4. Step 4: Simplify right side
    18,276.97x = 319,478,002.01
  5. Step 5: Solve for x
    x = 319,478,002.01/18,276.97
  6. Step 6: Final answer
    x = 17,479.81

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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.