Home / 20,292.66-30,442.23-8,605.98

Finding the Fourth Proportional to 20,292.66, 30,442.23 and 8,605.98

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Solution

The fourth proportional to 20,292.66, 30,442.23 and 8,605.98 is: 12,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.66 : 30,442.23 = 8,605.98 : x
  2. Step 2: Convert to fraction form
    20,292.66/30,442.23 = 8,605.98/x
  3. Step 3: Cross multiply
    20,292.66x = 30,442.23 × 8,605.98
  4. Step 4: Simplify right side
    20,292.66x = 261,985,222.54
  5. Step 5: Solve for x
    x = 261,985,222.54/20,292.66
  6. Step 6: Final answer
    x = 12,910.34

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1.5x scale

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.