Home / 20,062.12-27,684.54-11,109.12

Finding the Fourth Proportional to 20,062.12, 27,684.54 and 11,109.12

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Solution

The fourth proportional to 20,062.12, 27,684.54 and 11,109.12 is: 15,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.12 : 27,684.54 = 11,109.12 : x
  2. Step 2: Convert to fraction form
    20,062.12/27,684.54 = 11,109.12/x
  3. Step 3: Cross multiply
    20,062.12x = 27,684.54 × 11,109.12
  4. Step 4: Simplify right side
    20,062.12x = 307,550,877.00
  5. Step 5: Solve for x
    x = 307,550,877.00/20,062.12
  6. Step 6: Final answer
    x = 15,329.93

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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.