Home / 19,229.10-28,812.60-10,884.30

Finding the Fourth Proportional to 19,229.10, 28,812.60 and 10,884.30

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Solution

The fourth proportional to 19,229.10, 28,812.60 and 10,884.30 is: 16,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.10 : 28,812.60 = 10,884.30 : x
  2. Step 2: Convert to fraction form
    19,229.10/28,812.60 = 10,884.30/x
  3. Step 3: Cross multiply
    19,229.10x = 28,812.60 × 10,884.30
  4. Step 4: Simplify right side
    19,229.10x = 313,604,982.18
  5. Step 5: Solve for x
    x = 313,604,982.18/19,229.10
  6. Step 6: Final answer
    x = 16,308.87

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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.