Home / 19,762.12-27,272.49-11,265.58

Finding the Fourth Proportional to 19,762.12, 27,272.49 and 11,265.58

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Solution

The fourth proportional to 19,762.12, 27,272.49 and 11,265.58 is: 15,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.12 : 27,272.49 = 11,265.58 : x
  2. Step 2: Convert to fraction form
    19,762.12/27,272.49 = 11,265.58/x
  3. Step 3: Cross multiply
    19,762.12x = 27,272.49 × 11,265.58
  4. Step 4: Simplify right side
    19,762.12x = 307,240,361.57
  5. Step 5: Solve for x
    x = 307,240,361.57/19,762.12
  6. Step 6: Final answer
    x = 15,546.93

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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.