Home / 20,620.08-30,923.95-10,753.98

Finding the Fourth Proportional to 20,620.08, 30,923.95 and 10,753.98

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Solution

The fourth proportional to 20,620.08, 30,923.95 and 10,753.98 is: 16,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620.08 : 30,923.95 = 10,753.98 : x
  2. Step 2: Convert to fraction form
    20,620.08/30,923.95 = 10,753.98/x
  3. Step 3: Cross multiply
    20,620.08x = 30,923.95 × 10,753.98
  4. Step 4: Simplify right side
    20,620.08x = 332,555,549.48
  5. Step 5: Solve for x
    x = 332,555,549.48/20,620.08
  6. Step 6: Final answer
    x = 16,127.75

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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.