Home / 18,957.52-28,434.30-5,809.96

Finding the Fourth Proportional to 18,957.52, 28,434.30 and 5,809.96

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Solution

The fourth proportional to 18,957.52, 28,434.30 and 5,809.96 is: 8,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.52 : 28,434.30 = 5,809.96 : x
  2. Step 2: Convert to fraction form
    18,957.52/28,434.30 = 5,809.96/x
  3. Step 3: Cross multiply
    18,957.52x = 28,434.30 × 5,809.96
  4. Step 4: Simplify right side
    18,957.52x = 165,202,145.63
  5. Step 5: Solve for x
    x = 165,202,145.63/18,957.52
  6. Step 6: Final answer
    x = 8,714.33

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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.