Home / 10,385.21-15,562.06-7,613.73

Finding the Fourth Proportional to 10,385.21, 15,562.06 and 7,613.73

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Solution

The fourth proportional to 10,385.21, 15,562.06 and 7,613.73 is: 11,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.21 : 15,562.06 = 7,613.73 : x
  2. Step 2: Convert to fraction form
    10,385.21/15,562.06 = 7,613.73/x
  3. Step 3: Cross multiply
    10,385.21x = 15,562.06 × 7,613.73
  4. Step 4: Simplify right side
    10,385.21x = 118,485,304.05
  5. Step 5: Solve for x
    x = 118,485,304.05/10,385.21
  6. Step 6: Final answer
    x = 11,409.04

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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.