Home / 11,336.80-17,005.08-3,545.68

Finding the Fourth Proportional to 11,336.80, 17,005.08 and 3,545.68

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Solution

The fourth proportional to 11,336.80, 17,005.08 and 3,545.68 is: 5,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.80 : 17,005.08 = 3,545.68 : x
  2. Step 2: Convert to fraction form
    11,336.80/17,005.08 = 3,545.68/x
  3. Step 3: Cross multiply
    11,336.80x = 17,005.08 × 3,545.68
  4. Step 4: Simplify right side
    11,336.80x = 60,294,572.05
  5. Step 5: Solve for x
    x = 60,294,572.05/11,336.80
  6. Step 6: Final answer
    x = 5,318.48

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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.