Home / 19,174.55-28,765.38-7,487.06

Finding the Fourth Proportional to 19,174.55, 28,765.38 and 7,487.06

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Solution

The fourth proportional to 19,174.55, 28,765.38 and 7,487.06 is: 11,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.55 : 28,765.38 = 7,487.06 : x
  2. Step 2: Convert to fraction form
    19,174.55/28,765.38 = 7,487.06/x
  3. Step 3: Cross multiply
    19,174.55x = 28,765.38 × 7,487.06
  4. Step 4: Simplify right side
    19,174.55x = 215,368,125.98
  5. Step 5: Solve for x
    x = 215,368,125.98/19,174.55
  6. Step 6: Final answer
    x = 11,231.98

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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.