Home / 20,205.07-27,883.42-11,254.16

Finding the Fourth Proportional to 20,205.07, 27,883.42 and 11,254.16

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Solution

The fourth proportional to 20,205.07, 27,883.42 and 11,254.16 is: 15,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.07 : 27,883.42 = 11,254.16 : x
  2. Step 2: Convert to fraction form
    20,205.07/27,883.42 = 11,254.16/x
  3. Step 3: Cross multiply
    20,205.07x = 27,883.42 × 11,254.16
  4. Step 4: Simplify right side
    20,205.07x = 313,804,511.60
  5. Step 5: Solve for x
    x = 313,804,511.60/20,205.07
  6. Step 6: Final answer
    x = 15,530.98

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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.