Home / 20,174.27-30,263.09-5,383.13

Finding the Fourth Proportional to 20,174.27, 30,263.09 and 5,383.13

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Solution

The fourth proportional to 20,174.27, 30,263.09 and 5,383.13 is: 8,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.27 : 30,263.09 = 5,383.13 : x
  2. Step 2: Convert to fraction form
    20,174.27/30,263.09 = 5,383.13/x
  3. Step 3: Cross multiply
    20,174.27x = 30,263.09 × 5,383.13
  4. Step 4: Simplify right side
    20,174.27x = 162,909,969.44
  5. Step 5: Solve for x
    x = 162,909,969.44/20,174.27
  6. Step 6: Final answer
    x = 8,075.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.