Home / 19,538.52-29,311.38-6,391.62

Finding the Fourth Proportional to 19,538.52, 29,311.38 and 6,391.62

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Solution

The fourth proportional to 19,538.52, 29,311.38 and 6,391.62 is: 9,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.52 : 29,311.38 = 6,391.62 : x
  2. Step 2: Convert to fraction form
    19,538.52/29,311.38 = 6,391.62/x
  3. Step 3: Cross multiply
    19,538.52x = 29,311.38 × 6,391.62
  4. Step 4: Simplify right side
    19,538.52x = 187,347,202.64
  5. Step 5: Solve for x
    x = 187,347,202.64/19,538.52
  6. Step 6: Final answer
    x = 9,588.61

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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.