Home / 11,813.39-17,720.16-3,048.38

Finding the Fourth Proportional to 11,813.39, 17,720.16 and 3,048.38

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Solution

The fourth proportional to 11,813.39, 17,720.16 and 3,048.38 is: 4,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.39 : 17,720.16 = 3,048.38 : x
  2. Step 2: Convert to fraction form
    11,813.39/17,720.16 = 3,048.38/x
  3. Step 3: Cross multiply
    11,813.39x = 17,720.16 × 3,048.38
  4. Step 4: Simplify right side
    11,813.39x = 54,017,788.96
  5. Step 5: Solve for x
    x = 54,017,788.96/11,813.39
  6. Step 6: Final answer
    x = 4,572.59

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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.