Home / 12,765.20-17,614.60-7,099.02

Finding the Fourth Proportional to 12,765.20, 17,614.60 and 7,099.02

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Solution

The fourth proportional to 12,765.20, 17,614.60 and 7,099.02 is: 9,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.20 : 17,614.60 = 7,099.02 : x
  2. Step 2: Convert to fraction form
    12,765.20/17,614.60 = 7,099.02/x
  3. Step 3: Cross multiply
    12,765.20x = 17,614.60 × 7,099.02
  4. Step 4: Simplify right side
    12,765.20x = 125,046,379.94
  5. Step 5: Solve for x
    x = 125,046,379.94/12,765.20
  6. Step 6: Final answer
    x = 9,795.88

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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.