Home / 11,813.08-17,720.06-4,020.92

Finding the Fourth Proportional to 11,813.08, 17,720.06 and 4,020.92

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Solution

The fourth proportional to 11,813.08, 17,720.06 and 4,020.92 is: 6,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.08 : 17,720.06 = 4,020.92 : x
  2. Step 2: Convert to fraction form
    11,813.08/17,720.06 = 4,020.92/x
  3. Step 3: Cross multiply
    11,813.08x = 17,720.06 × 4,020.92
  4. Step 4: Simplify right side
    11,813.08x = 71,250,943.66
  5. Step 5: Solve for x
    x = 71,250,943.66/11,813.08
  6. Step 6: Final answer
    x = 6,031.53

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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.