Home / 19,489.88-29,244.42-9,102.36

Finding the Fourth Proportional to 19,489.88, 29,244.42 and 9,102.36

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Solution

The fourth proportional to 19,489.88, 29,244.42 and 9,102.36 is: 13,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.88 : 29,244.42 = 9,102.36 : x
  2. Step 2: Convert to fraction form
    19,489.88/29,244.42 = 9,102.36/x
  3. Step 3: Cross multiply
    19,489.88x = 29,244.42 × 9,102.36
  4. Step 4: Simplify right side
    19,489.88x = 266,193,238.83
  5. Step 5: Solve for x
    x = 266,193,238.83/19,489.88
  6. Step 6: Final answer
    x = 13,658.02

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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.