Home / 14,516.15-21,770.12-5,630.85

Finding the Fourth Proportional to 14,516.15, 21,770.12 and 5,630.85

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Solution

The fourth proportional to 14,516.15, 21,770.12 and 5,630.85 is: 8,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.15 : 21,770.12 = 5,630.85 : x
  2. Step 2: Convert to fraction form
    14,516.15/21,770.12 = 5,630.85/x
  3. Step 3: Cross multiply
    14,516.15x = 21,770.12 × 5,630.85
  4. Step 4: Simplify right side
    14,516.15x = 122,584,262.61
  5. Step 5: Solve for x
    x = 122,584,262.61/14,516.15
  6. Step 6: Final answer
    x = 8,444.68

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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.