Home / 11,006.70-16,542.45-9,581.10

Finding the Fourth Proportional to 11,006.70, 16,542.45 and 9,581.10

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Solution

The fourth proportional to 11,006.70, 16,542.45 and 9,581.10 is: 14,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.70 : 16,542.45 = 9,581.10 : x
  2. Step 2: Convert to fraction form
    11,006.70/16,542.45 = 9,581.10/x
  3. Step 3: Cross multiply
    11,006.70x = 16,542.45 × 9,581.10
  4. Step 4: Simplify right side
    11,006.70x = 158,494,867.70
  5. Step 5: Solve for x
    x = 158,494,867.70/11,006.70
  6. Step 6: Final answer
    x = 14,399.85

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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.