Home / 13,216-19,827.20-3,982.24

Finding the Fourth Proportional to 13,216, 19,827.20 and 3,982.24

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Solution

The fourth proportional to 13,216, 19,827.20 and 3,982.24 is: 5,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216 : 19,827.20 = 3,982.24 : x
  2. Step 2: Convert to fraction form
    13,216/19,827.20 = 3,982.24/x
  3. Step 3: Cross multiply
    13,216x = 19,827.20 × 3,982.24
  4. Step 4: Simplify right side
    13,216x = 78,956,668.93
  5. Step 5: Solve for x
    x = 78,956,668.93/13,216
  6. Step 6: Final answer
    x = 5,974.32

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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.