Home / 13,637.35-18,824.57-11,976.45

Finding the Fourth Proportional to 13,637.35, 18,824.57 and 11,976.45

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Solution

The fourth proportional to 13,637.35, 18,824.57 and 11,976.45 is: 16,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.35 : 18,824.57 = 11,976.45 : x
  2. Step 2: Convert to fraction form
    13,637.35/18,824.57 = 11,976.45/x
  3. Step 3: Cross multiply
    13,637.35x = 18,824.57 × 11,976.45
  4. Step 4: Simplify right side
    13,637.35x = 225,451,521.38
  5. Step 5: Solve for x
    x = 225,451,521.38/13,637.35
  6. Step 6: Final answer
    x = 16,531.92

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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.