Home / 14,419.19-21,628.78-5,658.23

Finding the Fourth Proportional to 14,419.19, 21,628.78 and 5,658.23

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Solution

The fourth proportional to 14,419.19, 21,628.78 and 5,658.23 is: 8,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.19 : 21,628.78 = 5,658.23 : x
  2. Step 2: Convert to fraction form
    14,419.19/21,628.78 = 5,658.23/x
  3. Step 3: Cross multiply
    14,419.19x = 21,628.78 × 5,658.23
  4. Step 4: Simplify right side
    14,419.19x = 122,380,489.57
  5. Step 5: Solve for x
    x = 122,380,489.57/14,419.19
  6. Step 6: Final answer
    x = 8,487.34

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Similar ratio
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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.