Home / 11,810.55-17,715.82-4,019.36

Finding the Fourth Proportional to 11,810.55, 17,715.82 and 4,019.36

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Solution

The fourth proportional to 11,810.55, 17,715.82 and 4,019.36 is: 6,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.55 : 17,715.82 = 4,019.36 : x
  2. Step 2: Convert to fraction form
    11,810.55/17,715.82 = 4,019.36/x
  3. Step 3: Cross multiply
    11,810.55x = 17,715.82 × 4,019.36
  4. Step 4: Simplify right side
    11,810.55x = 71,206,258.28
  5. Step 5: Solve for x
    x = 71,206,258.28/11,810.55
  6. Step 6: Final answer
    x = 6,029.04

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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.