Home / 19,630.62-27,088.83-11,675.61

Finding the Fourth Proportional to 19,630.62, 27,088.83 and 11,675.61

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Solution

The fourth proportional to 19,630.62, 27,088.83 and 11,675.61 is: 16,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.62 : 27,088.83 = 11,675.61 : x
  2. Step 2: Convert to fraction form
    19,630.62/27,088.83 = 11,675.61/x
  3. Step 3: Cross multiply
    19,630.62x = 27,088.83 × 11,675.61
  4. Step 4: Simplify right side
    19,630.62x = 316,278,614.44
  5. Step 5: Solve for x
    x = 316,278,614.44/19,630.62
  6. Step 6: Final answer
    x = 16,111.49

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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.