Home / 11,299.92-16,952.40-3,508.80

Finding the Fourth Proportional to 11,299.92, 16,952.40 and 3,508.80

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Solution

The fourth proportional to 11,299.92, 16,952.40 and 3,508.80 is: 5,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.92 : 16,952.40 = 3,508.80 : x
  2. Step 2: Convert to fraction form
    11,299.92/16,952.40 = 3,508.80/x
  3. Step 3: Cross multiply
    11,299.92x = 16,952.40 × 3,508.80
  4. Step 4: Simplify right side
    11,299.92x = 59,482,581.12
  5. Step 5: Solve for x
    x = 59,482,581.12/11,299.92
  6. Step 6: Final answer
    x = 5,263.98

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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.