Home / 20,304.76-30,456.84-5,514

Finding the Fourth Proportional to 20,304.76, 30,456.84 and 5,514

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Solution

The fourth proportional to 20,304.76, 30,456.84 and 5,514 is: 8,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.76 : 30,456.84 = 5,514 : x
  2. Step 2: Convert to fraction form
    20,304.76/30,456.84 = 5,514/x
  3. Step 3: Cross multiply
    20,304.76x = 30,456.84 × 5,514
  4. Step 4: Simplify right side
    20,304.76x = 167,939,015.76
  5. Step 5: Solve for x
    x = 167,939,015.76/20,304.76
  6. Step 6: Final answer
    x = 8,270.92

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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.