Home / 20,194.81-27,868.18-11,242.01

Finding the Fourth Proportional to 20,194.81, 27,868.18 and 11,242.01

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Solution

The fourth proportional to 20,194.81, 27,868.18 and 11,242.01 is: 15,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.81 : 27,868.18 = 11,242.01 : x
  2. Step 2: Convert to fraction form
    20,194.81/27,868.18 = 11,242.01/x
  3. Step 3: Cross multiply
    20,194.81x = 27,868.18 × 11,242.01
  4. Step 4: Simplify right side
    20,194.81x = 313,294,358.24
  5. Step 5: Solve for x
    x = 313,294,358.24/20,194.81
  6. Step 6: Final answer
    x = 15,513.61

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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.