Home / 9,212.95-12,714.21-5,234.73

Finding the Fourth Proportional to 9,212.95, 12,714.21 and 5,234.73

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Solution

The fourth proportional to 9,212.95, 12,714.21 and 5,234.73 is: 7,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.95 : 12,714.21 = 5,234.73 : x
  2. Step 2: Convert to fraction form
    9,212.95/12,714.21 = 5,234.73/x
  3. Step 3: Cross multiply
    9,212.95x = 12,714.21 × 5,234.73
  4. Step 4: Simplify right side
    9,212.95x = 66,555,430.34
  5. Step 5: Solve for x
    x = 66,555,430.34/9,212.95
  6. Step 6: Final answer
    x = 7,224.12

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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.