Home / 19,449.38-29,174.07-7,762.70

Finding the Fourth Proportional to 19,449.38, 29,174.07 and 7,762.70

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Solution

The fourth proportional to 19,449.38, 29,174.07 and 7,762.70 is: 11,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.38 : 29,174.07 = 7,762.70 : x
  2. Step 2: Convert to fraction form
    19,449.38/29,174.07 = 7,762.70/x
  3. Step 3: Cross multiply
    19,449.38x = 29,174.07 × 7,762.70
  4. Step 4: Simplify right side
    19,449.38x = 226,469,655.23
  5. Step 5: Solve for x
    x = 226,469,655.23/19,449.38
  6. Step 6: Final answer
    x = 11,644.05

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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.