Home / 19,765.26-27,271.98-11,265.57

Finding the Fourth Proportional to 19,765.26, 27,271.98 and 11,265.57

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Solution

The fourth proportional to 19,765.26, 27,271.98 and 11,265.57 is: 15,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.26 : 27,271.98 = 11,265.57 : x
  2. Step 2: Convert to fraction form
    19,765.26/27,271.98 = 11,265.57/x
  3. Step 3: Cross multiply
    19,765.26x = 27,271.98 × 11,265.57
  4. Step 4: Simplify right side
    19,765.26x = 307,234,399.73
  5. Step 5: Solve for x
    x = 307,234,399.73/19,765.26
  6. Step 6: Final answer
    x = 15,544.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.