Home / 13,270.80-19,919.28-9,750.94

Finding the Fourth Proportional to 13,270.80, 19,919.28 and 9,750.94

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Solution

The fourth proportional to 13,270.80, 19,919.28 and 9,750.94 is: 14,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.80 : 19,919.28 = 9,750.94 : x
  2. Step 2: Convert to fraction form
    13,270.80/19,919.28 = 9,750.94/x
  3. Step 3: Cross multiply
    13,270.80x = 19,919.28 × 9,750.94
  4. Step 4: Simplify right side
    13,270.80x = 194,231,704.12
  5. Step 5: Solve for x
    x = 194,231,704.12/13,270.80
  6. Step 6: Final answer
    x = 14,636.02

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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.