Home / 14,770.98-20,379.33-8,800.74

Finding the Fourth Proportional to 14,770.98, 20,379.33 and 8,800.74

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Solution

The fourth proportional to 14,770.98, 20,379.33 and 8,800.74 is: 12,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.98 : 20,379.33 = 8,800.74 : x
  2. Step 2: Convert to fraction form
    14,770.98/20,379.33 = 8,800.74/x
  3. Step 3: Cross multiply
    14,770.98x = 20,379.33 × 8,800.74
  4. Step 4: Simplify right side
    14,770.98x = 179,353,184.70
  5. Step 5: Solve for x
    x = 179,353,184.70/14,770.98
  6. Step 6: Final answer
    x = 12,142.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.