Home / 19,103.45-28,658.81-9,241.90

Finding the Fourth Proportional to 19,103.45, 28,658.81 and 9,241.90

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Solution

The fourth proportional to 19,103.45, 28,658.81 and 9,241.90 is: 13,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.45 : 28,658.81 = 9,241.90 : x
  2. Step 2: Convert to fraction form
    19,103.45/28,658.81 = 9,241.90/x
  3. Step 3: Cross multiply
    19,103.45x = 28,658.81 × 9,241.90
  4. Step 4: Simplify right side
    19,103.45x = 264,861,807.60
  5. Step 5: Solve for x
    x = 264,861,807.60/19,103.45
  6. Step 6: Final answer
    x = 13,864.61

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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.