Home / 18,736.80-28,095.48-9,366.72

Finding the Fourth Proportional to 18,736.80, 28,095.48 and 9,366.72

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Solution

The fourth proportional to 18,736.80, 28,095.48 and 9,366.72 is: 14,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.80 : 28,095.48 = 9,366.72 : x
  2. Step 2: Convert to fraction form
    18,736.80/28,095.48 = 9,366.72/x
  3. Step 3: Cross multiply
    18,736.80x = 28,095.48 × 9,366.72
  4. Step 4: Simplify right side
    18,736.80x = 263,162,494.43
  5. Step 5: Solve for x
    x = 263,162,494.43/18,736.80
  6. Step 6: Final answer
    x = 14,045.22

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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.