Home / 13,197.28-19,815.69-11,423.85

Finding the Fourth Proportional to 13,197.28, 19,815.69 and 11,423.85

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Solution

The fourth proportional to 13,197.28, 19,815.69 and 11,423.85 is: 17,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.28 : 19,815.69 = 11,423.85 : x
  2. Step 2: Convert to fraction form
    13,197.28/19,815.69 = 11,423.85/x
  3. Step 3: Cross multiply
    13,197.28x = 19,815.69 × 11,423.85
  4. Step 4: Simplify right side
    13,197.28x = 226,371,512.62
  5. Step 5: Solve for x
    x = 226,371,512.62/13,197.28
  6. Step 6: Final answer
    x = 17,152.89

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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.