Home / 11,011.20-16,500.60-9,358.80

Finding the Fourth Proportional to 11,011.20, 16,500.60 and 9,358.80

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Solution

The fourth proportional to 11,011.20, 16,500.60 and 9,358.80 is: 14,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.20 : 16,500.60 = 9,358.80 : x
  2. Step 2: Convert to fraction form
    11,011.20/16,500.60 = 9,358.80/x
  3. Step 3: Cross multiply
    11,011.20x = 16,500.60 × 9,358.80
  4. Step 4: Simplify right side
    11,011.20x = 154,425,815.28
  5. Step 5: Solve for x
    x = 154,425,815.28/11,011.20
  6. Step 6: Final answer
    x = 14,024.43

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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.