Home / 18,436.61-27,682.76-14,727.83

Finding the Fourth Proportional to 18,436.61, 27,682.76 and 14,727.83

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Solution

The fourth proportional to 18,436.61, 27,682.76 and 14,727.83 is: 22,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.61 : 27,682.76 = 14,727.83 : x
  2. Step 2: Convert to fraction form
    18,436.61/27,682.76 = 14,727.83/x
  3. Step 3: Cross multiply
    18,436.61x = 27,682.76 × 14,727.83
  4. Step 4: Simplify right side
    18,436.61x = 407,706,881.62
  5. Step 5: Solve for x
    x = 407,706,881.62/18,436.61
  6. Step 6: Final answer
    x = 22,113.98

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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.